Fixing CI for push to main

Author: annegambrel

.github/workflows/documentation.yaml

@@ -13,9 +13,6 @@ jobs:
     steps:
     - name: Checkout github repo
       uses: actions/checkout@v2
-    - name: Upgrade pip
-      run: |
-        pip install --upgrade pip
     - name: Cache pip
       uses: actions/cache@v2
       with:
@@ -25,14 +22,11 @@ jobs:
         restore-keys: |
           ${{ runner.os }}-pip-
           ${{ runner.os }}-
-    - name: Install package
-      run: |
-        pip install -e .
     # Standard drop-in approach that should work for most people.
     - name: Build docs
       uses: ammaraskar/sphinx-action@master
       with:
-        pre-build-command: "apt-get update -y && apt-get install --reinstall -y build-essential && apt-get install -y g++ && apt-get install -y gfortran && apt-get install -y pandoc && pip install --upgrade pip"
+        pre-build-command: "apt-get --allow-releaseinfo-change update -y && apt-get install -y g++ && apt-get install -y gfortran && apt-get install -y pandoc"
         docs-folder: "docs/"
     # Create an artifact of the html output.
     - uses: actions/upload-artifact@v2