Merge pull request #178 from python-control/no-np1.23

Work around numpy/numpy#21889

Author: bnavigator

.github/conda-env/build-env.yml

@@ -1,4 +1,4 @@
 name: build-env
 dependencies:
   - boa
-  - numpy
+  - numpy!=1.23.0

.github/workflows/slycot-build-and-test.yml

@@ -167,7 +167,6 @@ jobs:
         shell: bash -l {0}
         run: |
           set -e
-          mamba install boa numpy
           numpyversion=$(python -c 'import numpy; print(numpy.version.version)')
           conda mambabuild --python "${{ matrix.python }}" --numpy $numpyversion conda-recipe
           # preserve directory structure for custom conda channel

conda-recipe/meta.yaml

@@ -27,7 +27,7 @@ requirements:
     - libcblas * *netlib
     - liblapack * *netlib
     - python
-    - numpy
+    - numpy!=1.23.0
     - pip
     - scikit-build >=0.14.1
 

pyproject.toml

@@ -4,5 +4,5 @@ requires = [
     "wheel",
     "scikit-build>=0.14.1",
     "cmake",
-    "numpy"]
+    "numpy!=1.23.0"]
 build-backend = "setuptools.build_meta"