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-rwxr-xr-xLib/stdwin/Histogram.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/stdwin/Histogram.py b/Lib/stdwin/Histogram.py
index 505bbaf..27ae673 100755
--- a/Lib/stdwin/Histogram.py
+++ b/Lib/stdwin/Histogram.py
@@ -4,7 +4,7 @@ from Buttons import *
# A Histogram displays a histogram of numeric data.
#
-class HistogramAppearance() = LabelAppearance(), Define():
+class HistogramAppearance(LabelAppearance, Define):
#
def define(self, parent):
Define.define(self, (parent, ''))
@@ -33,4 +33,4 @@ class HistogramAppearance() = LabelAppearance(), Define():
d.paint((h0, v0), (h1, v1))
#
-class Histogram() = NoReactivity(), HistogramAppearance(): pass
+class Histogram(NoReactivity, HistogramAppearance): pass