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FIX: be forgiving about the event for enterEvent not having a pos #11622

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Jul 11, 2018
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6 changes: 5 additions & 1 deletion lib/matplotlib/backends/backend_qt5.py
Original file line number Diff line number Diff line change
Expand Up @@ -291,7 +291,11 @@ def get_width_height(self):
return int(w / self._dpi_ratio), int(h / self._dpi_ratio)

def enterEvent(self, event):
x, y = self.mouseEventCoords(event.pos())
try:
x, y = self.mouseEventCoords(event.pos())
except AttributeError:
# the event from PyQt4 does not include the position
x = y = None
FigureCanvasBase.enter_notify_event(self, guiEvent=event, xy=(x, y))

def leaveEvent(self, event):
Expand Down