Update testing.yml

Author: MMathisLab

.github/workflows/testing.yml

@@ -31,6 +31,14 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+
+      - name: Set up Python
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          channels: conda-forge,defaults
+          channel-priority: strict
+          python-version: ${{ matrix.python-version }}
+          
       - name: Install ffmpeg
         run: |
           if [ "$RUNNER_OS" == "Linux" ]; then
@@ -42,10 +50,11 @@ jobs:
             choco install ffmpeg
           fi
         shell: bash
+        
       - name: Install PyTables through Conda
-          shell: bash -el {0}  # Important: activates the conda environment
-          run: |
-            conda install pytables==3.8.0 "numpy<2"
+        shell: bash -el {0}  # Important: activates the conda environment
+        run: |
+          conda install pytables==3.8.0 "numpy<2"
       - name: Install and test
         run: |
           python -m pip install --upgrade pip wheel poetry