no dependency on pip

.github/workflows/ci.yaml

@@ -39,7 +39,7 @@ jobs:
       - name: Set up conda environment
         shell: bash -l {0}
         run: |
-          python -m pip install -e .
+          python -m pip install -e . --no-deps
           conda list
       - name: Run Tests
         shell: bash -l {0}