zip-without-explicit-strict (B905)
Derived from the flake8-bugbear linter.
Fix is always available.
What it does
Checks for zip
calls without an explicit strict
parameter.
Why is this bad?
By default, if the iterables passed to zip
are of different lengths, the
resulting iterator will be silently truncated to the length of the shortest
iterable. This can lead to subtle bugs.
Pass strict=True
to raise a ValueError
if the iterables are of
non-uniform length. Alternatively, if the iterables are deliberately of
different lengths, pass strict=False
to make the intention explicit.
Example
Use instead:
Fix safety
This rule's fix is marked as unsafe for zip
calls that contain
**kwargs
, as adding a strict
keyword argument to such a call may lead
to a duplicate keyword argument error.