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style: always use x is not None instead of not x is None

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Differential Revision: https://phab.mercurial-scm.org/D842
This commit is contained in:
Alex Gaynor 2017-09-29 15:49:43 +00:00
parent 7dafbbbbcf
commit 3f0d5f185a
2 changed files with 3 additions and 3 deletions
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2
mercurial/keepalive.py
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@ -393,7 +393,7 @@ class HTTPResponse(httplib.HTTPResponse):
def read(self, amt=None):
# the _rbuf test is only in this first if for speed. It's not
# logically necessary
if self._rbuf and not amt is None:
if self._rbuf and amt is not None:
L = len(self._rbuf)
if amt > L:
amt -= L

4
mercurial/pure/parsers.py
View File

@ -80,7 +80,7 @@ class IndexObject(BaseIndexObject):
return i * indexsize
def __delitem__(self, i):
if not isinstance(i, slice) or not i.stop == -1 or not i.step is None:
if not isinstance(i, slice) or not i.stop == -1 or i.step is not None:
raise ValueError("deleting slices only supports a:-1 with step 1")
i = self._fix_index(i.start)
if i < self._lgt:
@ -114,7 +114,7 @@ class InlinedIndexObject(BaseIndexObject):
return count
def __delitem__(self, i):
if not isinstance(i, slice) or not i.stop == -1 or not i.step is None:
if not isinstance(i, slice) or not i.stop == -1 or i.step is not None:
raise ValueError("deleting slices only supports a:-1 with step 1")
i = self._fix_index(i.start)
if i < self._lgt: