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Replace boolean test with is None

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This commit is contained in:
Raymond Hettinger 2002-06-01 01:29:16 +00:00
parent 0f4940c0a8
commit 094662a165
4 changed files with 5 additions and 5 deletions
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4
Lib/formatter.py
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@ -38,7 +38,7 @@ class NullFormatter:
"""
def __init__(self, writer=None):
if not writer:
if writer is None:
writer = NullWriter()
self.writer = writer
def end_paragraph(self, blankline): pass
@ -433,7 +433,7 @@ class DumbWriter(NullWriter):
def test(file = None):
w = DumbWriter()
f = AbstractFormatter(w)
if file:
if file is not None:
fp = open(file)
elif sys.argv[1:]:
fp = open(sys.argv[1])