Replace boolean test with is None.

This commit is contained in:
Raymond Hettinger 2002-06-02 00:40:05 +00:00
parent 1931ca72b5
commit f13eb55d59
6 changed files with 10 additions and 10 deletions

View file

@ -80,7 +80,7 @@ class Pattern:
def opengroup(self, name=None):
gid = self.groups
self.groups = gid + 1
if name:
if name is not None:
ogid = self.groupdict.get(name, None)
if ogid is not None:
raise error, ("redefinition of group name %s as group %d; "
@ -97,7 +97,7 @@ class SubPattern:
# a subpattern, in intermediate form
def __init__(self, pattern, data=None):
self.pattern = pattern
if not data:
if data is None:
data = []
self.data = data
self.width = None