On Fri, Mar 6, 2015 at 11:21 AM, Nik Nyby <njn2...@columbia.edu> wrote:
> Hi,
> flake8 2.3.0 warns me when a variable is never actually used, e.g.:
> a = 1
>
> It doesn't seem to check for unused multiple assigments, e.g.:
> obj, created = RefutationResponse.objects.update_or_create(...)
>
> --
> Nik Nyby
> Programmer
> Columbia Center for New Media Teaching and Learning
> nn...@columbia.edu | (212) 854-7076
I don't see the same thing Nik.
With the following file saved as foo.py:
def foo():
a = 1
def bar():
b, c = 2, 3
I get these results:
$ flake8 foo.py
foo.py:2:5: F841 local variable 'a' is assigned to but never used
a = 1
^
foo.py:6:5: F841 local variable 'b' is assigned to but never used
b, c = 2, 3
^
foo.py:6:8: F841 local variable 'c' is assigned to but never used
b, c = 2, 3
^
$ flake8 --version
2.3.0 (pep8: 1.6.2, pyflakes: 0.8.1, mccabe: 0.3) CPython 2.7.9 on Darwin
If instead `a = 1` is a global definition, flake8 (actually pyflakes)
chooses not to report it as it could be a constant defined to be
exported as part of that module's API.
Cheers,
Ian
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