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Polishing.
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Lib/test/test_tkinter/widget_tests.py

Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -89,7 +89,7 @@ def checkBooleanParam(self, widget, name):
8989
self.checkParam(widget, name, value, expected=0)
9090
for value in (True, 1, 'true', 'yes', 'on'):
9191
self.checkParam(widget, name, value, expected=1)
92-
errmsg='expected boolean value but got "{}"'
92+
errmsg = 'expected boolean value but got "{}"'
9393
self.checkInvalidParam(widget, name, '', errmsg=errmsg)
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self.checkInvalidParam(widget, name, 'spam', errmsg=errmsg)
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@@ -148,13 +148,13 @@ def checkPixelsParam(self, widget, name, *values,
148148
self.checkInvalidParam(widget, name, 'spam', errmsg=errmsg)
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150150
def checkReliefParam(self, widget, name, *, allow_empty=False):
151-
options = ['flat', 'groove', 'raised', 'ridge', 'solid', 'sunken']
151+
values = ['flat', 'groove', 'raised', 'ridge', 'solid', 'sunken']
152152
if allow_empty:
153-
options.append('')
154-
self.checkParams(widget, name, *options)
155-
lastop = options.pop()
156-
opstring = ', '.join(options)
157-
errmsg = f'bad relief "spam": must be {opstring}, or {lastop or '""'}'
153+
values.append('')
154+
self.checkParams(widget, name, *values)
155+
errmsg = 'bad relief "{}": must be %s, or %s' % (
156+
', '.join(values[:-1]),
157+
values[-1] or '""')
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if tk_version < (8, 6):
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errmsg = None
160160
self.checkInvalidParam(widget, name, 'spam', errmsg=errmsg)

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