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style: always use `x is not None` instead of `not x is None`
authorAlex Gaynor <agaynor@mozilla.com>
Fri, 29 Sep 2017 15:49:43 +0000
changeset 34331 531332502568
parent 34330 89aec1834a86
child 34332 b36881c68569
style: always use `x is not None` instead of `not x is None` Differential Revision: https://phab.mercurial-scm.org/D842
mercurial/keepalive.py file | annotate | diff | comparison | revisions
mercurial/pure/parsers.py file | annotate | diff | comparison | revisions 
--- a/mercurial/keepalive.py	Sun Apr 24 18:41:23 2016 +0900
+++ b/mercurial/keepalive.py	Fri Sep 29 15:49:43 2017 +0000
@@ -393,7 +393,7 @@
     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
--- a/mercurial/pure/parsers.py	Sun Apr 24 18:41:23 2016 +0900
+++ b/mercurial/pure/parsers.py	Fri Sep 29 15:49:43 2017 +0000
@@ -80,7 +80,7 @@
         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 @@
         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:
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