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Fix AttributeError in GTK3Agg backend #12016

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Merged
merged 1 commit into from
Sep 5, 2018
Merged

Fix AttributeError in GTK3Agg backend #12016

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3 changes: 2 additions & 1 deletion lib/matplotlib/backends/backend_gtk3agg.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import numpy as np

from .. import cbook
from . import backend_agg, backend_cairo, backend_gtk3
from .backend_cairo import cairo
from .backend_gtk3 import Gtk, _BackendGTK3
Expand Down Expand Up @@ -42,7 +43,7 @@ def on_draw_event(self, widget, ctx):
width = int(bbox.x1) - int(bbox.x0)
height = int(bbox.y1) - int(bbox.y0)

buf = backend_cairo._unmultipled_rgba8888_to_premultiplied_argb32(
buf = cbook._unmultipled_rgba8888_to_premultiplied_argb32(
np.asarray(self.copy_from_bbox(bbox)))
image = cairo.ImageSurface.create_for_data(
buf.ravel().data, cairo.FORMAT_ARGB32, width, height)
Expand Down