Install editable

Author: Joseph-Edwards

.github/workflows/tests.yml

@@ -43,6 +43,7 @@ jobs:
           echo "PKG_CONFIG_PATH=$MAMBA_ROOT_PREFIX/envs/libsemigroups/lib/pkgconfig:$MAMBA_ROOT_PREFIX/envs/libsemigroups/share/pkgconfig:/usr/local/lib/pkgconfig" >> $GITHUB_ENV
           echo "LD_LIBRARY_PATH=$MAMBA_ROOT_PREFIX/envs/libsemigroups/lib:/usr/local/lib" >> $GITHUB_ENV
           echo "LC_RPATH=$MAMBA_ROOT_PREFIX/envs/libsemigroups/lib:/usr/local/lib" >> $GITHUB_ENV
+          echo "DYLD_PRINT_LIBRARIES=1" >> $GITHUB_ENV
           echo "PATH=$MAMBA_ROOT_PREFIX/envs/libsemigroups/bin:$PATH" >> $GITHUB_ENV
       - name: "Check Python version . . ."
         run: |
@@ -52,7 +53,7 @@ jobs:
         run: pip install -r requirements.txt
       - name: "Pip install libsemigroups_pybind11 . . ."
         run: |
-          CXX="${{ matrix.compiler }}" pip install . -v
+          CXX="${{ matrix.compiler }}" pip install -e . -v
       - name: "Run tests . . ."
         run: |
           python -m pytest -vv tests/test_*.py