matplotlib
diff --git a/‎lib/matplotlib/tests/test_backends_interactive.py
Copy file name to clipboardExpand all lines: lib/matplotlib/tests/test_backends_interactive.py
+9Lines changed: 9 additions & 0 deletions b/‎lib/matplotlib/tests/test_backends_interactive.py
Copy file name to clipboardExpand all lines: lib/matplotlib/tests/test_backends_interactive.py
+9Lines changed: 9 additions & 0 deletions
@@ -226,6 +226,15 @@ def _test_thread_impl():
     _thread_safe_backends.append(
         pytest.param("macosx", marks=pytest.mark.xfail(
             raises=subprocess.TimeoutExpired, strict=True)))
+_thread_safe_backends = [
+    pytest.param(
+        backend,
+        # Cairo backends save a cairo_t on the graphics context, and sharing
+        # these is not threadsafe.
+        marks=(pytest.mark.xfail(raises=subprocess.CalledProcessError))
+               if 'cairo' in backend else [])
+    for backend in _thread_safe_backends
+]
 
 
 @pytest.mark.parametrize("backend", _thread_safe_backends)