Try again.

Author: rossbar

.github/workflows/ci.yml

@@ -109,4 +109,10 @@ jobs:
     - name: Setup environment
       run: pip install -r requirements.txt
     - name: Build site with execution
-      run: myst build --execute 2>&1 |tee /dev/stderr | grep -e "Traceback \(most recent call last\)"
+      run: |
+        myst build --execute 2>&1 |tee /tmp/mystbuild.log
+        if grep -q "Traceback \(most recent call last\)" /tmp/mystbuild.log; then
+            exit 1
+        else
+            exit 0
+        fi