chore: fix docs compilation.

environment.yml

@@ -11,9 +11,8 @@ dependencies:
   - backoff==2.2.1
   - branca==0.5.0
   - earthengine-api==0.1.328
-  - earthranger-client
   - geopandas==0.10.2
-  - ipywidgets==8.0.2
+  - ipywidgets==7.8.0
   - jinja2==3.1.2
   - jupyterlab==3.5.0
   - mapclassify==2.4.3
@@ -37,15 +36,17 @@ dependencies:
   - rasterio==1.2.10
   - scikit-image==0.19.2
   - scikit-learn==1.0.2
-  - scipy==1.7.3
+  - scipy==1.11.3
   - selenium==4.5.0
   - shapely==1.8.2
   - sphinx==5.3.0
   - tqdm==4.64.1
   - xyzservices==2022.9.0
   - pip:
+    - pip
     - coverage[toml]
     - nbsphinx
     - nbsphinx-multilink
     - sphinx-autoapi
+    - earthranger-client