improve steps in action file

.github/workflows/python-pkg.yml

@@ -30,19 +30,25 @@ jobs:
         # 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
+      uses: conda-incubator/setup-miniconda@v3
       with:
-          miniconda-version: "latest"
-          auto-update-conda: true
-          mamba-version: "*"
-          python-version: "3.11"
-          channels: conda-forge,bioconda,pytorch,nvidia
-          environment-file: environment.yml
+        miniconda-version: "latest"
+        auto-update-conda: true
+        mamba-version: "*"
+        python-version: "3.11"
+        channels: conda-forge,bioconda,pytorch,nvidia
+    - name: "Create conda environment"
+      run: |
+        conda env create -f environment.yml
+        conda activate ezformer
     - name: "Install pytest"
       shell: bash -l {0}
       run: |
         python -m pip install --upgrade pip
         pip install setuptools wheel build pytest tomli
+    - name: "Build package"
+      run: |
+        pip install -e .
     - name: "Test with pytest"
       shell: bash -l {0}
       run: |