Update pull_request.yml

testing a small refactor

.github/workflows/pull_request.yml

@@ -7,15 +7,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
-    - uses: ammaraskar/sphinx-action@master
-      with:
-        build-command: "make html"
-        docs-folder: "docs/"
     - uses: ammaraskar/sphinx-action@master
       with:
         docs-folder: "docs/"
         pre-build-command: "apt-get update -y && apt-get install -y latexmk texlive-latex-recommended texlive-xetex texlive-latex-extra texlive-fonts-recommended fonts-freefont-otf xindy"
-        build-command: "make latexpdf"
+        build-command: "make html && make latexpdf"
     # Create an artifact of the html output.
     - uses: actions/upload-artifact@v1
       with: