diff options
| -rw-r--r-- | Doc/library/itertools.rst | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst index 32ad792..6e6b6d9 100644 --- a/Doc/library/itertools.rst +++ b/Doc/library/itertools.rst @@ -326,14 +326,14 @@ loops that truncate the stream. return self def __next__(self): while self.currkey == self.tgtkey: - self.currvalue = next(self.it) # Exit on StopIteration + self.currvalue = next(self.it) # Exit on StopIteration self.currkey = self.keyfunc(self.currvalue) self.tgtkey = self.currkey return (self.currkey, self._grouper(self.tgtkey)) def _grouper(self, tgtkey): while self.currkey == tgtkey: yield self.currvalue - self.currvalue = next(self.it) # Exit on StopIteration + self.currvalue = next(self.it) # Exit on StopIteration self.currkey = self.keyfunc(self.currvalue) @@ -652,8 +652,7 @@ which incur interpreter overhead. def pairwise(iterable): "s -> (s0,s1), (s1,s2), (s2, s3), ..." a, b = tee(iterable) - for elem in b: - break + next(b, None) return zip(a, b) def grouper(n, iterable, fillvalue=None): |