CI: fix OSX cmake version 3.18

diff --git a/.github/workflows/osx.yml b/.github/workflows/osx.yml
index 91ecdc5338398e779a6d7f817f5049cc9d5fd62c..11ffe8e2cd95134136f3bfbaa935ede7267e2f24 100644 (file)
--- a/.github/workflows/osx.yml
+++ b/.github/workflows/osx.yml
@@ -16,6 +16,7 @@ jobs:
         ./contrib/utilities/download_clang_format
         # force cmake version:
         pip install cmake==3.18.4
+        echo "/Library/Frameworks/Python.framework/Versions/2.7/bin" >> $GITHUB_PATH
     - name: info
       run: |
         g++ -v
@@ -45,6 +46,7 @@ jobs:
       run: |
         # force cmake version:
         pip install cmake==3.18.4
+        echo "/Library/Frameworks/Python.framework/Versions/2.7/bin" >> $GITHUB_PATH
         brew install openmpi
         cmake --version
         # uncomment these for a gcc based build