diff --git a/.github/workflows/ci-mac-os.yml b/.github/workflows/ci-mac-os.yml
index afe4d27..d56fa50 100644
--- a/.github/workflows/ci-mac-os.yml
+++ b/.github/workflows/ci-mac-os.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: macos-latest
     strategy:
       matrix:
-        python-version: [3.8, '3.10']
+        python-version: ['3.10']
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
     # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
@@ -60,11 +60,16 @@ jobs:
     - name: Install amc2moodle
       run: |
         # add -e to have write access for test. TODO : change with temp file
-        pip install -e .
+        pip install -e .             
     
     - name: Test amc2moodle
       run: |
         python -m amc2moodle.amc2moodle.test
+        
+    - name: Setup tmate session
+      if: ${{ failure() }}
+      uses: mxschmitt/action-tmate@v3        
+        
     - name: Test moodle2amc
       run: |
         # add automultiplechoice.sty local copy to LaTeX PATH (for this step)