Update docs_env.yaml

Author: C-Achard

devtools/conda-envs/docs_env.yaml

@@ -1,25 +1,30 @@
 name: docs-env
 dependencies:
-  - black
-  - coverage
-  - isort
-  - pytest
-  - pytest
-  - pytest-qt
-  - sphinx
-  - sphinx-autodoc-typehints
-  - sphinx-rtd-theme
-  - tox
-  - twine
-  - numpy
-  - napari[all]>=0.4.14
-  - QtPy
-  - opencv-python>=4.5.5
-  - dask-image>=0.6.0
-  - matplotlib>=3.4.1
-  - tifffile>=2022.2.9
-  - imageio-ffmpeg>=0.4.5
-  - torch>=1.11
-  - monai[nibabel,scikit-image,itk,einops]>=0.9.0
-  - pillow
-  - vispy>=0.9.6
+  - python==3.8
+  - anaconda
+  - pip
+  - numpy  # pin version for conda
+  - pip:
+    - black
+    - coverage
+    - isort
+    - pytest
+    - pytest
+    - pytest-qt
+    - sphinx
+    - sphinx-autodoc-typehints
+    - sphinx-rtd-theme
+    - tox
+    - twine
+    - numpy
+    - napari[all]>=0.4.14
+    - QtPy
+    - opencv-python>=4.5.5
+    - dask-image>=0.6.0
+    - matplotlib>=3.4.1
+    - tifffile>=2022.2.9
+    - imageio-ffmpeg>=0.4.5
+    - torch>=1.11
+    - monai[nibabel,scikit-image,itk,einops]>=0.9.0
+    - pillow
+    - vispy>=0.9.6