fix workflow

.github/workflows/python-package-conda.yml

@@ -14,34 +14,30 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v2
+    - name: Set up Miniconda
+      uses: conda-incubator/setup-miniconda@v2
       with:
+        auto-update-conda: true
         python-version: 3.9
-    - name: Prepare environment variable
-      run: |
-        echo "CONDA=$HOME/miniconda" >> $GITHUB_ENV
-        echo "$HOME/miniconda/bin" >> $GITHUB_PATH
-    - name: Install packages and test with pytest
+        channels: conda-forge
+        activate-environment: mlxtend
+        environment-file: environment.yml
+        create-env-file: true
+
+    - name: Install dependencies and run tests
+      shell: bash -l {0}
       run: |
-        source $CONDA/etc/profile.d/conda.sh
-        conda config --add channels conda-forge
-        conda create -n mlxtend python=3.10 --yes
-        conda activate mlxtend
-        conda env update --file environment.yml
-        pip install scikit-learn==1.1.3
-        pip install pandas==1.3.5
         conda install tensorflow joblib pytest -y -q
         conda install imageio scikit-image -y -q
         conda install dlib -y -q
-        pip install markdown
-        pip install coverage
+        pip install scikit-learn==1.1.3 pandas==1.3.5 markdown coverage
         pip install -e .
         python -c "import numpy; print('NumPy:', numpy.__version__)"
         python -c "import scipy; print('SciPy:', scipy.__version__)"
         python -c "import sklearn; print('Scikit-learn:', sklearn.__version__)"
         python -c "import pandas; print('Pandas:', pandas.__version__)"
         coverage run --source=mlxtend --branch -m pytest mlxtend
         coverage xml
+
     - name: Upload Coverage to Codecov
       uses: codecov/codecov-action@v2