github: linux/serial: sanitize python environment

diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index d9b9aac9b87f1bd95741e432e2a03b26439b7868..294adacf263dd3b0ad4a53df6c8dc1dabea78471 100644 (file)
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -39,10 +39,13 @@ jobs:
     - uses: actions/checkout@v3
     - name: info
       run: |
+        python --version
         g++ -v
         cmake --version
     - name: configure deal.II
       run: |
+        # sanitize PYTHONPATH
+        unset PYTHONPATH
         mkdir build
         cd build
         cmake -D CMAKE_BUILD_TYPE=Release \