diff options
Diffstat (limited to 'Lib/StringIO.py')
| -rw-r--r-- | Lib/StringIO.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/StringIO.py b/Lib/StringIO.py index 232009f..340fae1 100644 --- a/Lib/StringIO.py +++ b/Lib/StringIO.py @@ -128,7 +128,7 @@ class StringIO: if self.buflist: self.buf += ''.join(self.buflist) self.buflist = [] - if n < 0: + if n is None or n < 0: newpos = self.len else: newpos = min(self.pos+n, self.len) @@ -158,7 +158,7 @@ class StringIO: newpos = self.len else: newpos = i+1 - if length is not None: + if length is not None and length > 0: if self.pos + length < newpos: newpos = self.pos + length r = self.buf[self.pos:newpos] |