Merge branch 'nbdev3' of https://github.com/eigenvivek/DiffDRR into nbdev3

Author: eigenvivek

.github/workflows/test.yaml

@@ -23,7 +23,7 @@ jobs:
       - name: Doing editable install
         shell: bash -l {0}
         run: |
-          test -f setup.py && pip install -e ".[dev]"
+          pip install -e ".[dev]"
 
       - name: Check we are starting with clean git checkout
         shell: bash -l {0}