add pre-commit to env

envs/environment.docs.yaml

@@ -9,6 +9,7 @@ dependencies:
   - pip
   - pypsa>=0.17.1
   - atlite=0.0.3
+  - pre-commit
 
   # Dependencies of the workflow itself
   - scikit-learn

envs/environment.yaml

@@ -11,6 +11,7 @@ channels:
 dependencies:
   - python
   - pip
+  - pre-commit
 
   - pypsa>=0.17.1
   - atlite=0.0.3
@@ -36,8 +37,7 @@ dependencies:
   - progressbar2
   - pyyaml>=5.1.0
 
-  # Include ipython so that one does not inadvertently drop out of the conda
-  # environment by calling ipython
+  # Keep in conda environment when calling ipython
   - ipython
 
   # GIS dependencies: