MAINT: Fix linting errors

Author: rmcar17

src/piqtree/iqtree/_model_finder.py

@@ -2,7 +2,7 @@
 
 import dataclasses
 from collections.abc import Iterable
-from typing import Any, cast, reveal_type
+from typing import Any, cast
 
 import yaml
 from _piqtree import iq_model_finder

tests/test_iqtree/test_fit_tree.py

@@ -1,4 +1,5 @@
 from typing import cast
+
 import numpy as np
 import pytest
 from cogent3 import get_app, make_tree