[Python-Dev] [Python-checkins] cpython: Issue #17385: Fix quadratic behavior in threading.Condition

[Ezio Melotti]

Hi,

On Mon, Mar 11, 2013 at 2:58 AM, raymond.hettinger
<python-checkins at python.org> wrote:
> http://hg.python.org/cpython/rev/0f86b51f8f8b
> changeset:   82592:0f86b51f8f8b
> user:        Raymond Hettinger <python at rcn.com>
> date:        Sun Mar 10 17:57:28 2013 -0700
> summary:
>   Issue #17385: Fix quadratic behavior in threading.Condition
>
> files:
>   Lib/threading.py |  10 ++++++++--
>   Misc/NEWS        |   3 +++
>   2 files changed, 11 insertions(+), 2 deletions(-)
>
>
> diff --git a/Lib/threading.py b/Lib/threading.py
> --- a/Lib/threading.py
> +++ b/Lib/threading.py
> @@ -10,6 +10,12 @@
>      from time import time as _time
>  from traceback import format_exc as _format_exc
>  from _weakrefset import WeakSet
> +try:
> +    from _itertools import islice as _slice
> +    from _collections import deque as _deque
> +except ImportError:
> +    from itertools import islice as _islice
> +    from collections import deque as _deque
>

Shouldn't the one in the 'try' be _islice too?

Best Regards,
Ezio Melotti