FIX: restore matplotlib.backends.backend_qt5.qApp

tacaswell · tacaswell · commit 5336d0e45382 · 2022-03-03T17:08:03.000-05:00
This has to be a module-level getattr so that we can proxy to the
current state of backend_qt.
diff --git a/lib/matplotlib/backends/backend_qt5.py b/lib/matplotlib/backends/backend_qt5.py
@@ -9,8 +9,15 @@
     FigureCanvasBase,  FigureManagerBase, MouseButton, NavigationToolbar2,
     TimerBase, ToolContainerBase, figureoptions, Gcf
 )
+from . import backend_qt as _backend_qt  # noqa
 
 
 @_BackendQT.export
 class _BackendQT5(_BackendQT):
     pass
+
+
+def __getattr__(name):
+    if name == 'qApp':
+        return _backend_qt.qApp
+    raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
