Update action_build.yml

.github/workflows/action_build.yml

@@ -6,9 +6,12 @@ jobs:
   checks:
     name: Checks
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash -l {0}
     strategy:
       matrix:
-        python-version: ["3.9","3.10"]
+        python-version: ["3.10"]
     steps:
     - uses: actions/checkout@v2
     - name: Setup Python ${{ matrix.python-version }}
@@ -23,6 +26,7 @@ jobs:
 
     - name: Install requirements
       run: |
+        echo "begin: PATH=$PATH;"
         find . -type f > before_test_files.txt
         conda env create -f environment.yml
         conda activate my_jarvis