[issue9299] os.mkdir() and os.makedirs() add a keyword argument to suppress "File exists" exception.

[Isaac Morland]

Isaac Morland <ijmorlan at uwaterloo.ca> added the comment:

How different is this issue from Issue 1608579, Issue 1239890, Issue 1223238, and Issue 1314067?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9299>
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