unpin scanpy and pandas + print session info

Author: dbdimitrov

.github/workflows/main.yml

@@ -73,16 +73,10 @@ jobs:
           cache-dependency-glob: pyproject.toml
       - name: create hatch environment
         run: uvx hatch env create ${{ matrix.env.name }}
-      - name: Print Python version and path
-        run: |
-          which python
-          python --version
-          which uv
-          uv --version
       - name: Print environment variables
-        run: env
+        run: uvx hatch run ${{ matrix.env.name }}:env
       - name: Print pip freeze
-        run: pip freeze
+        run: uvx hatch run ${{ matrix.env.name }}:pip freeze
       - name: Print hatch environment info
         run: uvx hatch env show
       - name: run tests using hatch