attempt 3 at fixing all docs

Author: Michael Lin

.readthedocs.yaml

@@ -13,7 +13,7 @@ build:
   commands:
     - cat docs/environment_docs.yml
     - mamba env create --quiet --name pytc_docs --file docs/environment_docs.yml
-    - mamba activate pytc_docs
+    - conda activate pytc_docs
     - pip install --editable .
     - cat docs/source/conf.py
     - python -m sphinx -T -b html -d _build/doctrees -D language=en ./docs/source $READTHEDOCS_OUTPUT/html