update python-package.yml

.github/workflows/python-package.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9"] # ["3.8", "3.9", "3.10"]
 
     steps:
     - uses: actions/checkout@v3
@@ -35,6 +35,15 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: "Install miniconda"
+      uses: conda-incubator/setup-miniconda@v2
+      with:
+        miniconda-version: "latest"
+        auto-update-conda: true
+        mamba-version: "*"
+        python-version: ${{ matrix.python-version }}
+        channels: conda-forge,bioconda
+        environment-file: environment.yml
     - name: Test with pytest
       run: |
         pytest