change way of instaling conda in workflows main.yml

.github/workflows/main.yml

@@ -21,15 +21,29 @@ jobs:
       matrix:
         python-version: [3.7, 3.8, 3.9]
 
+  #  steps:
+  #  - uses: actions/checkout@v2
+  #  - uses: conda-incubator/setup-miniconda@v2
+  #    with:
+  #      python-version: 3.9
+  #  - name: Set up Python ${{ matrix.python-version }}
+  #    uses: actions/setup-python@v2
+  #    with:
+  #      python-version: ${{ matrix.python-version }}    
+
     steps:
-    - uses: actions/checkout@v2
-    - uses: conda-incubator/setup-miniconda@v2
-      with:
-        python-version: 3.9
+    - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - uses: s-weigand/setup-conda@v1
       with:
-        python-version: ${{ matrix.python-version }}                  
+          activate-conda: false
+    - run: conda --version
+    - run: which python
+
+
     - name: Show working dir
       shell: bash
       run: ls