Plot rendering error: functools.partial(, orientation='portrait') did not call Figure.draw, so no renderer is available; metadata = {'Entries': 2375, 'Name': 'OccupancyDist-13', 'Overflow': 24214.0, 'Type': 'Histo1d', 'Underflow': 127011.0, 'x': {'AxisTitle': 'Occupancy', 'Bins': 49, 'High': 49.5, 'Low': 0.5}, 'y': {'AxisTitle': 'Number of Pixels'}, 'z': {'AxisTitle': 'z'}}