editable mode

Author: jtgrasb

.github/workflows/pr.yml

@@ -84,7 +84,7 @@ jobs:
         conda activate test-env
         python3 -m pip install --upgrade pip
         pip3 install gmsh pygmsh coveralls pytest
-        pip3 install .
+        pip3 install -e .
 
     # run all tests & coverage
     - name: Run Test