Use None instead of 'none' for qt backend

2026-07-03 21:14:04 +08:00 · 2013-05-29 20:28:16 +02:00
parent 255ac68999
commit 153bc6edf9
1 changed files with 1 additions and 1 deletions
@@ -12,7 +12,7 @@ if qt_api is None:
            import PyQt4
            qt_api = 'pyqt'
        except ImportError:
-            qt_api = 'none'
+            qt_api = None
            # Note that we don't want to raise an error because that would
            # cause the TravisCI build to fail.
            warnings.warn("Could not import PyQt4: ImageViewer not available!")