diff --git a/.codespellignore b/.codespellignore
index 35f2ebe7..ec2c5c6f 100644
--- a/.codespellignore
+++ b/.codespellignore
@@ -1 +1,2 @@
+alos
 ned
diff --git a/docs/api.rst b/docs/api.rst
index 58264daa..eb5ae3a1 100644
--- a/docs/api.rst
+++ b/docs/api.rst
@@ -8,7 +8,8 @@ Core
 
 The ``stactools.core`` package contains utility methods for dealing with STACs.
 
-Functions are organized into subpackages but can be imported directly from ``stactools.core``, e.g.:
+Functions are organized into subpackages but can be imported directly from
+``stactools.core``, e.g.:
 
 .. code-block:: python
 
diff --git a/docs/conf.py b/docs/conf.py
index 081a3063..30fbdd74 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -15,15 +15,15 @@
 import os
 import sys
 
-sys.path.insert(0, os.path.abspath('.'))
-sys.path.insert(0, os.path.abspath('..'))
-from stactools.core import __version__          # noqa
+sys.path.insert(0, os.path.abspath("."))
+sys.path.insert(0, os.path.abspath(".."))
+from stactools.core import __version__  # noqa
 
 # -- Project information -----------------------------------------------------
 
-project = 'stactools'
-copyright = '2020, stac-utils'
-author = 'stac-utils'
+project = "stactools"
+copyright = "2020, stac-utils"
+author = "stac-utils"
 
 # The short X.Y version
 version = __version__
@@ -40,22 +40,27 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc', 'sphinx.ext.viewcode', 'sphinx.ext.napoleon',
-    'sphinx.ext.githubpages', 'sphinx.ext.extlinks', 'sphinxcontrib.fulltoc',
-    'sphinx_click', 'nbsphinx'
+    "sphinx.ext.autodoc",
+    "sphinx.ext.viewcode",
+    "sphinx.ext.napoleon",
+    "sphinx.ext.githubpages",
+    "sphinx.ext.extlinks",
+    "sphinxcontrib.fulltoc",
+    "sphinx_click",
+    "nbsphinx",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 #
 # source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -67,7 +72,7 @@
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
-exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store', '**.ipynb_checkpoints']
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store", "**.ipynb_checkpoints"]
 
 # The name of the Pygments (syntax highlighting) style to use.
 pygments_style = None
@@ -77,7 +82,7 @@
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'alabaster'
+html_theme = "alabaster"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -110,7 +115,7 @@
 # -- Options for HTMLHelp output ---------------------------------------------
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'stactoolsdoc'
+htmlhelp_basename = "stactoolsdoc"
 
 # -- Options for LaTeX output ------------------------------------------------
 
@@ -118,15 +123,12 @@
     # The paper size ('letterpaper' or 'a4paper').
     #
     # 'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     #
     # 'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     #
     # 'preamble': '',
-
     # Latex figure (float) alignment
     #
     # 'figure_align': 'htbp',
@@ -136,15 +138,14 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'stactools.tex', 'stactools Documentation', 'stac-utils',
-     'manual'),
+    (master_doc, "stactools.tex", "stactools Documentation", "stac-utils", "manual"),
 ]
 
 # -- Options for manual page output ------------------------------------------
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [(master_doc, 'stactools', 'stactools Documentation', [author], 1)]
+man_pages = [(master_doc, "stactools", "stactools Documentation", [author], 1)]
 
 # -- Options for Texinfo output ----------------------------------------------
 
@@ -152,9 +153,15 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'stactools', 'stactools Documentation', author, 'stactools',
-     'Command line utility and  library for SpatioTemporal Asset Catalogs (STAC).',
-     'Miscellaneous'),
+    (
+        master_doc,
+        "stactools",
+        "stactools Documentation",
+        author,
+        "stactools",
+        "Command line utility and  library for SpatioTemporal Asset Catalogs (STAC).",
+        "Miscellaneous",
+    ),
 ]
 
 # -- Options for Epub output -------------------------------------------------
@@ -172,6 +179,6 @@
 # epub_uid = ''
 
 # A list of files that should not be packed into the epub file.
-epub_exclude_files = ['search.html']
+epub_exclude_files = ["search.html"]
 
 # -- Extension configuration -------------------------------------------------
diff --git a/docs/index.rst b/docs/index.rst
index 36a9cc2c..b7a46308 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -40,7 +40,8 @@ Use ``stac --help`` to navigate the varios commands.
 * ``stac info`` and ``stac describe`` display information about STACs
 * ``stac layout`` will modify the layout of a STAC based on item properties
 
-One of the focuses of ``stactools`` is to provide an easy way to plug in functionality for different data sources. For example:
+One of the focuses of ``stactools`` is to provide an easy way to plug in
+functionality for different data sources. For example:
 
 * ``stac planet convert-order`` will convert a Planet order into a STAC.
 
@@ -53,4 +54,4 @@ Table of Contents
    :maxdepth: 2
 
    api
-   cli
\ No newline at end of file
+   cli
diff --git a/scripts/check_minimum_requirements b/scripts/check_minimum_requirements
index e398936a..5464700b 100755
--- a/scripts/check_minimum_requirements
+++ b/scripts/check_minimum_requirements
@@ -3,30 +3,35 @@
 
 import os.path
 import sys
+
 from importlib_metadata import requires
 from packaging.requirements import Requirement
 
 package_requirements = [
     Requirement(requirement) for requirement in requires("stactools")
 ]
-requirements_min = os.path.join(os.path.dirname(os.path.dirname(__file__)),
-                                "requirements-min.txt")
+requirements_min = os.path.join(
+    os.path.dirname(os.path.dirname(__file__)), "requirements-min.txt"
+)
 with open(requirements_min) as file:
     min_requirements = [Requirement(line) for line in file]
 min_requirements = dict(
-    (requirement.name, requirement) for requirement in min_requirements)
+    (requirement.name, requirement) for requirement in min_requirements
+)
 
 incorrect_requirements = list()
 for package_requirement in package_requirements:
     if package_requirement.marker is not None:
         continue
     min_requirement = min_requirements[package_requirement.name]
-    for (package_specifier,
-         min_specifier) in zip(package_requirement.specifier,
-                               min_requirement.specifier):
-        if package_specifier.operator == ">=" and package_specifier.version != min_specifier.version:
-            incorrect_requirements.append(
-                (package_requirement, min_requirement))
+    for (package_specifier, min_specifier) in zip(
+        package_requirement.specifier, min_requirement.specifier
+    ):
+        if (
+            package_specifier.operator == ">="
+            and package_specifier.version != min_specifier.version
+        ):
+            incorrect_requirements.append((package_requirement, min_requirement))
 
 if incorrect_requirements:
     print("ERROR: Incorrect min-requirements.txt!")
diff --git a/scripts/rewrite_test_data.py b/scripts/rewrite_test_data.py
index d0a5efd1..90baa5f4 100755
--- a/scripts/rewrite_test_data.py
+++ b/scripts/rewrite_test_data.py
@@ -38,7 +38,8 @@ def remap_property(item: Item, before: str, after: str) -> None:
                 for j, datetime in enumerate(interval):
                     if datetime:
                         collection.extent.temporal.intervals[i][
-                            j] = datetime.astimezone(UTC)
+                            j
+                        ] = datetime.astimezone(UTC)
 
         if object.STAC_OBJECT_TYPE == "Feature":
             item = cast(Item, object)
@@ -51,17 +52,15 @@ def remap_property(item: Item, before: str, after: str) -> None:
             remap_property(item, "eo:sun_azimuth", "view:sun_azimuth")
             remap_property(item, "eo:sun_elevation", "view:sun_elevation")
 
-            if item.collection_id is None and item.get_single_link(
-                    "collection"):
+            if item.collection_id is None and item.get_single_link("collection"):
                 item.collection_id = collection_id
 
             for key, asset in item.assets.items():
                 bands = asset.extra_fields.pop("eo:bands", None)
                 if bands:
-                    item.assets[key].extra_fields["eo:bands"] = [{
-                        "name":
-                        str(band)
-                    } for band in bands]
+                    item.assets[key].extra_fields["eo:bands"] = [
+                        {"name": str(band)} for band in bands
+                    ]
 
         if file_name not in invalid_file_names:
             try:
diff --git a/src/stactools/cli/__init__.py b/src/stactools/cli/__init__.py
index 7d18cc46..8c13ba45 100644
--- a/src/stactools/cli/__init__.py
+++ b/src/stactools/cli/__init__.py
@@ -18,8 +18,8 @@ def register_plugin(registry: "Registry") -> None:
         lint,
         merge,
         migrate,
-        version,
         validate,
+        version,
     )
 
     registry.register_subcommand(add.create_add_command)
diff --git a/src/stactools/cli/cli.py b/src/stactools/cli/cli.py
index 11928772..0f4a7a19 100644
--- a/src/stactools/cli/cli.py
+++ b/src/stactools/cli/cli.py
@@ -1,7 +1,8 @@
 import logging
+from typing import Union
+
 import click
 
-from typing import Union
 from stactools.cli import registry
 
 
diff --git a/src/stactools/cli/commands/add.py b/src/stactools/cli/commands/add.py
index 05deb4ca..967baa39 100644
--- a/src/stactools/cli/commands/add.py
+++ b/src/stactools/cli/commands/add.py
@@ -1,7 +1,6 @@
-import click
-
 from typing import Optional
 
+import click
 from pystac import Catalog, Item, read_file
 
 from stactools.core import add_item
diff --git a/src/stactools/cli/commands/addraster.py b/src/stactools/cli/commands/addraster.py
index 36eb2979..327fad11 100644
--- a/src/stactools/cli/commands/addraster.py
+++ b/src/stactools/cli/commands/addraster.py
@@ -1,5 +1,6 @@
 import click
 import pystac
+
 from stactools.core import add_raster_to_item
 
 
diff --git a/src/stactools/cli/commands/copy.py b/src/stactools/cli/commands/copy.py
index e5d0d271..111ed767 100644
--- a/src/stactools/cli/commands/copy.py
+++ b/src/stactools/cli/commands/copy.py
@@ -1,8 +1,9 @@
+from typing import Optional
+
 import click
 import pystac
-
-from typing import Optional
 from pystac.utils import make_absolute_href
+
 from stactools.core.copy import copy_catalog, move_all_assets
 
 
diff --git a/src/stactools/cli/commands/lint.py b/src/stactools/cli/commands/lint.py
index a68e666f..3a01c167 100644
--- a/src/stactools/cli/commands/lint.py
+++ b/src/stactools/cli/commands/lint.py
@@ -1,5 +1,6 @@
-import click
 import sys
+
+import click
 from stac_check.lint import Linter  # type: ignore
 
 
diff --git a/src/stactools/cli/commands/merge.py b/src/stactools/cli/commands/merge.py
index 926380d8..b837b1a6 100644
--- a/src/stactools/cli/commands/merge.py
+++ b/src/stactools/cli/commands/merge.py
@@ -1,7 +1,8 @@
+from typing import Optional
+
 import click
 import pystac
 
-from typing import Optional
 from stactools.core import merge_all_items
 
 
diff --git a/src/stactools/cli/commands/validate.py b/src/stactools/cli/commands/validate.py
index e96d7c87..6e5ca710 100644
--- a/src/stactools/cli/commands/validate.py
+++ b/src/stactools/cli/commands/validate.py
@@ -1,10 +1,10 @@
 import sys
-from typing import Optional, List
+from typing import List, Optional
 
 import click
 import pystac
-
 from pystac import Catalog, Collection, Item, STACObject, STACValidationError
+
 from stactools.core.utils import href_exists
 
 
diff --git a/src/stactools/cli/commands/version.py b/src/stactools/cli/commands/version.py
index f91400d1..cf3866d6 100644
--- a/src/stactools/cli/commands/version.py
+++ b/src/stactools/cli/commands/version.py
@@ -1,10 +1,9 @@
-from click import echo
-
 import pystac
+from click import echo
+from click.core import Command, Group
 from pystac.version import get_stac_version
 
 from stactools.core import __version__
-from click.core import Command, Group
 
 
 def create_version_command(cli: Group) -> Command:
diff --git a/src/stactools/cli/registry.py b/src/stactools/cli/registry.py
index 886c7ec5..c0a1bbdf 100644
--- a/src/stactools/cli/registry.py
+++ b/src/stactools/cli/registry.py
@@ -1,6 +1,7 @@
 from pkgutil import ModuleInfo
 from types import ModuleType
 from typing import Callable, Iterator, List
+
 from click import Command, Group
 
 
@@ -25,6 +26,7 @@ def load_plugins(self) -> None:
         """
         import importlib
         import pkgutil
+
         import stactools
 
         # From https://packaging.python.org/guides/creating-and-discovering-plugins/#using-namespace-packages  # noqa
diff --git a/src/stactools/core/__init__.py b/src/stactools/core/__init__.py
index 75852b70..32b02f77 100644
--- a/src/stactools/core/__init__.py
+++ b/src/stactools/core/__init__.py
@@ -1,16 +1,16 @@
 # flake8: noqa
 
-from stactools.core.io import use_fsspec
+from stactools.core.add import add_item
+from stactools.core.addraster import add_raster_to_item
 from stactools.core.copy import (
+    copy_catalog,
+    move_all_assets,
     move_asset_file_to_item,
     move_assets,
-    move_all_assets,
-    copy_catalog,
 )
+from stactools.core.io import use_fsspec
 from stactools.core.layout import layout_catalog
-from stactools.core.merge import merge_items, merge_all_items
-from stactools.core.add import add_item
-from stactools.core.addraster import add_raster_to_item
+from stactools.core.merge import merge_all_items, merge_items
 
 __all__ = [
     "add_item",
diff --git a/src/stactools/core/add.py b/src/stactools/core/add.py
index ca64dc15..23b8c635 100644
--- a/src/stactools/core/add.py
+++ b/src/stactools/core/add.py
@@ -1,6 +1,6 @@
 import os
 
-from pystac import Catalog, Item, Collection
+from pystac import Catalog, Collection, Item
 from pystac.layout import BestPracticesLayoutStrategy
 
 from stactools.core.copy import move_assets as do_move_assets
diff --git a/src/stactools/core/addraster.py b/src/stactools/core/addraster.py
index 3515328b..b55e1e08 100644
--- a/src/stactools/core/addraster.py
+++ b/src/stactools/core/addraster.py
@@ -2,8 +2,8 @@
 from typing import List
 
 import numpy
+import rasterio
 from pystac import Item
-from pystac.utils import make_absolute_href
 from pystac.extensions.raster import (
     DataType,
     Histogram,
@@ -11,7 +11,7 @@
     RasterExtension,
     Statistics,
 )
-import rasterio
+from pystac.utils import make_absolute_href
 
 logger = logging.getLogger(__name__)
 
diff --git a/src/stactools/core/copy.py b/src/stactools/core/copy.py
index 27883e48..f73ba778 100644
--- a/src/stactools/core/copy.py
+++ b/src/stactools/core/copy.py
@@ -1,13 +1,12 @@
-import os
 import logging
+import os
+from typing import Optional
 
 import fsspec
 from fsspec.core import split_protocol
 from fsspec.registry import get_filesystem_class
-
 from pystac import Catalog, CatalogType, Item
 from pystac.utils import is_absolute_href, make_absolute_href, make_relative_href
-from typing import Optional
 
 logger = logging.getLogger(__name__)
 
diff --git a/src/stactools/core/create.py b/src/stactools/core/create.py
index 7114304f..00f0d8f7 100644
--- a/src/stactools/core/create.py
+++ b/src/stactools/core/create.py
@@ -2,12 +2,13 @@
 import os.path
 from typing import Optional
 
+import rasterio
 import shapely.geometry
-from pystac import Item, Asset
+from pystac import Asset, Item
 from pystac.extensions.projection import ProjectionExtension
-import rasterio
 
 import stactools.core.projection
+
 from .io import ReadHrefModifier
 
 
diff --git a/src/stactools/core/io/__init__.py b/src/stactools/core/io/__init__.py
index 52647ad6..15533a47 100644
--- a/src/stactools/core/io/__init__.py
+++ b/src/stactools/core/io/__init__.py
@@ -1,7 +1,7 @@
-from typing import Callable, Optional, Any
+from typing import Any, Callable, Optional
 
-from pystac.stac_io import DefaultStacIO, StacIO
 import fsspec
+from pystac.stac_io import DefaultStacIO, StacIO
 
 ReadHrefModifier = Callable[[str], str]
 """Type alias for a function parameter
diff --git a/src/stactools/core/io/xml.py b/src/stactools/core/io/xml.py
index 37e408d4..af7607cc 100644
--- a/src/stactools/core/io/xml.py
+++ b/src/stactools/core/io/xml.py
@@ -1,5 +1,5 @@
 from functools import lru_cache
-from typing import Callable, List, Optional
+from typing import Callable, List, Optional, cast
 
 from lxml import etree
 from lxml.etree import _Element as lxmlElement
@@ -65,7 +65,7 @@ def text(self) -> Optional[str]:
 
     @lru_cache(maxsize=100)
     def get_attr(self, attr: str) -> Optional[str]:
-        return self.element.get(attr, None)
+        return cast(Optional[str], self.element.get(attr, None))
 
     @classmethod
     def from_file(
diff --git a/src/stactools/core/merge.py b/src/stactools/core/merge.py
index 16f11eee..967a32da 100644
--- a/src/stactools/core/merge.py
+++ b/src/stactools/core/merge.py
@@ -1,16 +1,13 @@
 import os
+from typing import Optional
 
 import pystac
-from typing import Optional
 from pystac.layout import BestPracticesLayoutStrategy
 from pystac.utils import is_absolute_href, make_relative_href
-from shapely.geometry import shape, mapping
+from shapely.geometry import mapping, shape
 
-from stactools.core.copy import (
-    move_asset_file_to_item,
-    copy_catalog,
-    move_assets as do_move_assets,
-)
+from stactools.core.copy import copy_catalog, move_asset_file_to_item
+from stactools.core.copy import move_assets as do_move_assets
 
 
 def merge_items(
diff --git a/src/stactools/core/projection.py b/src/stactools/core/projection.py
index 49a0a114..6027b7d0 100644
--- a/src/stactools/core/projection.py
+++ b/src/stactools/core/projection.py
@@ -1,5 +1,5 @@
 from copy import deepcopy
-from typing import Any, List, Optional, Union, Dict, Sequence
+from typing import Any, Dict, List, Optional, Sequence, Union
 
 import pyproj
 import rasterio.crs
diff --git a/src/stactools/core/utils/antimeridian.py b/src/stactools/core/utils/antimeridian.py
index 1276b112..897a92a9 100644
--- a/src/stactools/core/utils/antimeridian.py
+++ b/src/stactools/core/utils/antimeridian.py
@@ -1,12 +1,12 @@
-from enum import Enum, auto
 import math
+from enum import Enum, auto
 from typing import Optional
 
 import shapely.affinity
 import shapely.geometry
 import shapely.ops
 from pystac import Item
-from shapely.geometry import Polygon, MultiPolygon, LineString
+from shapely.geometry import LineString, MultiPolygon, Polygon
 
 
 class Strategy(Enum):
diff --git a/src/stactools/core/utils/convert.py b/src/stactools/core/utils/convert.py
index 61f6e352..061d6666 100644
--- a/src/stactools/core/utils/convert.py
+++ b/src/stactools/core/utils/convert.py
@@ -1,4 +1,4 @@
-from typing import Dict, Any, Optional
+from typing import Any, Dict, Optional
 
 import rasterio
 import rasterio.shutil
diff --git a/src/stactools/core/utils/subprocess.py b/src/stactools/core/utils/subprocess.py
index b8d30a7a..77d47876 100644
--- a/src/stactools/core/utils/subprocess.py
+++ b/src/stactools/core/utils/subprocess.py
@@ -1,5 +1,5 @@
 import logging
-from subprocess import Popen, PIPE, STDOUT
+from subprocess import PIPE, STDOUT, Popen
 from typing import IO, List
 
 logger = logging.getLogger(__name__)
diff --git a/src/stactools/testing/__init__.py b/src/stactools/testing/__init__.py
index 2622e8de..47f46295 100644
--- a/src/stactools/testing/__init__.py
+++ b/src/stactools/testing/__init__.py
@@ -1,6 +1,7 @@
 import stactools.core
-from .test_data import TestData
+
 from .cli_test import CliTestCase
+from .test_data import TestData
 
 __all__ = [TestData.__name__, CliTestCase.__name__]
 
diff --git a/src/stactools/testing/cli.py b/src/stactools/testing/cli.py
index bfef954b..d77bbcb8 100644
--- a/src/stactools/testing/cli.py
+++ b/src/stactools/testing/cli.py
@@ -1,8 +1,8 @@
 """ CLI for test data maintenance and generation.
 """
+import logging
 import os
 import shutil
-import logging
 from tempfile import TemporaryDirectory
 
 import click
diff --git a/src/stactools/testing/cli_test.py b/src/stactools/testing/cli_test.py
index 73c3609a..ba2fe754 100644
--- a/src/stactools/testing/cli_test.py
+++ b/src/stactools/testing/cli_test.py
@@ -1,7 +1,7 @@
-from abc import ABC, abstractmethod
 import logging
-from typing import List, Callable
 import unittest
+from abc import ABC, abstractmethod
+from typing import Callable, List
 
 import click
 from click.testing import CliRunner, Result
diff --git a/src/stactools/testing/test_data.py b/src/stactools/testing/test_data.py
index e27d4445..bc7d0d7b 100644
--- a/src/stactools/testing/test_data.py
+++ b/src/stactools/testing/test_data.py
@@ -1,7 +1,7 @@
 import os
 import shutil
-from typing import Any, Dict
 from tempfile import TemporaryDirectory
+from typing import Any, Dict
 from zipfile import ZipFile
 
 import fsspec
diff --git a/tests/cli/commands/cli_test_utils.py b/tests/cli/commands/cli_test_utils.py
index fea6fe8e..25cc7366 100644
--- a/tests/cli/commands/cli_test_utils.py
+++ b/tests/cli/commands/cli_test_utils.py
@@ -1,5 +1,5 @@
-import os
 import json
+import os
 
 
 def expected_json(filename):
diff --git a/tests/cli/commands/test_add.py b/tests/cli/commands/test_add.py
index c5416f49..1855a08f 100644
--- a/tests/cli/commands/test_add.py
+++ b/tests/cli/commands/test_add.py
@@ -1,9 +1,11 @@
 from tempfile import TemporaryDirectory
 
 import pystac
-from stactools.core import move_all_assets
+
 from stactools.cli.commands.add import create_add_command
+from stactools.core import move_all_assets
 from stactools.testing import CliTestCase
+
 from .test_cases import TestCases
 
 
diff --git a/tests/cli/commands/test_addraster.py b/tests/cli/commands/test_addraster.py
index f31c5d8a..dd1d5a30 100644
--- a/tests/cli/commands/test_addraster.py
+++ b/tests/cli/commands/test_addraster.py
@@ -2,11 +2,13 @@
 
 import pystac
 from pystac.utils import make_absolute_href
-from stactools.core import move_all_assets
+
 from stactools.cli.commands.addraster import create_addraster_command
+from stactools.core import move_all_assets
 from stactools.testing import CliTestCase
-from .test_cases import TestCases
+
 from .cli_test_utils import expected_json
+from .test_cases import TestCases
 
 
 def create_temp_catalog_copy(tmp_dir):
diff --git a/tests/cli/commands/test_cases.py b/tests/cli/commands/test_cases.py
index 8b7f0736..a1823e05 100644
--- a/tests/cli/commands/test_cases.py
+++ b/tests/cli/commands/test_cases.py
@@ -3,19 +3,19 @@
 
 import pystac
 from pystac import (
-    Catalog,
-    Item,
     Asset,
+    Catalog,
     Extent,
-    TemporalExtent,
-    SpatialExtent,
+    Item,
     MediaType,
+    SpatialExtent,
+    TemporalExtent,
 )
 from pystac.extensions.label import (
-    LabelOverview,
     LabelClasses,
     LabelCount,
     LabelExtension,
+    LabelOverview,
     LabelType,
 )
 
diff --git a/tests/cli/commands/test_copy.py b/tests/cli/commands/test_copy.py
index 18daf2db..53d5f177 100644
--- a/tests/cli/commands/test_copy.py
+++ b/tests/cli/commands/test_copy.py
@@ -7,6 +7,7 @@
 
 from stactools.cli.commands.copy import create_copy_command, create_move_assets_command
 from stactools.testing import CliTestCase
+
 from .test_cases import TestCases
 
 
diff --git a/tests/cli/commands/test_lint.py b/tests/cli/commands/test_lint.py
index 450c3fd9..e92506dd 100644
--- a/tests/cli/commands/test_lint.py
+++ b/tests/cli/commands/test_lint.py
@@ -1,11 +1,9 @@
-from typing import List, Callable
+from typing import Callable, List
 
-from click import Group, Command
-
-from stactools.testing import CliTestCase
+from click import Command, Group
 
 from stactools.cli.commands.lint import create_lint_command
-
+from stactools.testing import CliTestCase
 from tests import test_data
 
 
diff --git a/tests/cli/commands/test_merge.py b/tests/cli/commands/test_merge.py
index d96b10a1..f360af3d 100644
--- a/tests/cli/commands/test_merge.py
+++ b/tests/cli/commands/test_merge.py
@@ -7,6 +7,7 @@
 from stactools.cli.commands.merge import create_merge_command
 from stactools.core import move_all_assets
 from stactools.testing import CliTestCase
+
 from .test_cases import TestCases
 
 
diff --git a/tests/cli/commands/test_validate.py b/tests/cli/commands/test_validate.py
index 9b863147..aa36c56e 100644
--- a/tests/cli/commands/test_validate.py
+++ b/tests/cli/commands/test_validate.py
@@ -1,8 +1,7 @@
-from typing import List, Callable
-from stactools.cli.commands.validate import create_validate_command
+from typing import Callable, List
 
+from stactools.cli.commands.validate import create_validate_command
 from stactools.testing import CliTestCase
-
 from tests import test_data
 
 
diff --git a/tests/cli/commands/test_version.py b/tests/cli/commands/test_version.py
index 6e5730e8..a9772b3f 100644
--- a/tests/cli/commands/test_version.py
+++ b/tests/cli/commands/test_version.py
@@ -1,10 +1,9 @@
 import pystac
 from pystac.version import get_stac_version
 
+from stactools.cli.commands.version import create_version_command
 from stactools.core import __version__
 from stactools.core.utils.subprocess import call
-from stactools.cli.commands.version import create_version_command
-
 from stactools.testing import CliTestCase
 
 
diff --git a/tests/core/test_create.py b/tests/core/test_create.py
index 3e257420..74434111 100644
--- a/tests/core/test_create.py
+++ b/tests/core/test_create.py
@@ -4,7 +4,6 @@
 from pystac.extensions.projection import ProjectionExtension
 
 from stactools.core import create
-
 from tests import test_data
 
 
diff --git a/tests/core/test_io.py b/tests/core/test_io.py
index b744f1eb..2f2095b3 100644
--- a/tests/core/test_io.py
+++ b/tests/core/test_io.py
@@ -3,6 +3,7 @@
 from tempfile import TemporaryDirectory
 
 import pystac
+
 from stactools.core import use_fsspec
 
 
diff --git a/tests/core/test_utils.py b/tests/core/test_utils.py
index 61cc17c8..14c36e24 100644
--- a/tests/core/test_utils.py
+++ b/tests/core/test_utils.py
@@ -1,14 +1,14 @@
-from contextlib import contextmanager
 import datetime
 import os.path
-from tempfile import TemporaryDirectory
 import unittest
-from pystac import Item
-import pytest
+from contextlib import contextmanager
+from tempfile import TemporaryDirectory
 
+import pytest
 import rasterio
 import shapely.geometry
-from shapely.geometry import Polygon, MultiPolygon
+from pystac import Item
+from shapely.geometry import MultiPolygon, Polygon
 
 from stactools.core.utils import antimeridian
 from stactools.core.utils.convert import cogify
diff --git a/tests/testing/test_test_data.py b/tests/testing/test_test_data.py
index b9541751..ee42972f 100644
--- a/tests/testing/test_test_data.py
+++ b/tests/testing/test_test_data.py
@@ -1,4 +1,4 @@
-from unittest import TestCase, SkipTest
+from unittest import SkipTest, TestCase
 
 import pystac