removing redundant python, trying to activate environment

Author: karlnyr

.github/workflows/run_tests.yml

@@ -18,11 +18,6 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Set up Python 3.10
-      uses: actions/setup-python@v3
-      with:
-        python-version: '3.10.13'
-    
     - name: Create conda/mamba environment using micromamba
       uses: mamba-org/setup-micromamba@v1
       with:
@@ -37,6 +32,7 @@ jobs:
 
     - name: Install Dependencies
       run: |
+        eval "$(micromamba shell hook --shell bash)
         micromamba activate P_microsalt
         poetry env info
         poetry install --no-interaction --all-extras