Pylint prefers list comprehension over filter...

Dan Sommers dan at tombstonezero.net
Thu May 5 23:07:23 EDT 2016


On Fri, 06 May 2016 02:46:22 +0000, Dan Sommers wrote:

>     Python 2.7.11+ (default, Apr 17 2016, 14:00:29) 
>     [GCC 5.3.1 20160409] on linux2
>     Type "help", "copyright", "credits" or "license" for more information.
>     >>> filter(lambda x:x+1, [1, 2, 3, 4])
>     [1, 2, 3, 4]
> 
>     Python 3.5.1+ (default, Apr 17 2016, 16:14:06) 
>     [GCC 5.3.1 20160409] on linux
>     Type "help", "copyright", "credits" or "license" for more information.
>     >>> filter(lambda x:x+1, [1, 2, 3, 4])
>     <filter object at 0x7f26a9ef3320>

Muphrey's Law strikes again.  That lambda function is obviously a
leftover from a call to *map* rather than a call to *filter*, but thanks
everyone for not laughing and pointing.



More information about the Python-list mailing list