Update run_tests.yml

.github/workflows/run_tests.yml

@@ -6,18 +6,17 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v3
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: '3.10'
     - name: Add conda to system path
       run: |
         # $CONDA is an environment variable pointing to the root of the miniconda directory
         echo $CONDA/bin >> $GITHUB_PATH
     - name: Install python modules
       run: |
         conda install pytest lxml tixi3 -c dlr-sc
-    - name: Install and test
+    - name: Run pytest
       run: |
-        conda activate base
         pytest