fix: ci python matrix

Author: ysorge

.github/workflows/ci.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ main, master, develop ]
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -19,23 +22,37 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Setup Micromamba
-      uses: mamba-org/setup-micromamba@v2
+      uses: mamba-org/setup-micromamba@v3
       with:
         environment-file: environment.yml
+        create-args: >-
+          python=${{ matrix.python-version }}
         init-shell: bash
         condarc: |
           channels:
             - conda-forge
           channel_priority: strict
         cache-environment: true
 
+    - name: Verify Python version
+      shell: bash -l {0}
+      env:
+        EXPECTED_PYTHON: ${{ matrix.python-version }}
+      run: |
+        micromamba run -n seasenselib python -c 'import os, sys; expected = tuple(map(int, os.environ["EXPECTED_PYTHON"].split("."))); assert sys.version_info[:2] == expected, f"expected {expected}, got {sys.version_info[:2]}"'
+
     - name: Install package (editable)
       shell: bash -l {0}
       run: |
         micromamba run -n seasenselib python -m pip install --upgrade pip
         micromamba run -n seasenselib python -m pip install -e . --no-deps --force-reinstall
 
+    - name: Check dependency consistency
+      shell: bash -l {0}
+      run: |
+        micromamba run -n seasenselib python -m pip check
+
     - name: Run unit tests from tests folder
       shell: bash -l {0}
       run: |
-        micromamba run -n seasenselib pytest tests/ -v -x
+        micromamba run -n seasenselib python -m pytest tests/ -v -x