New submission from Ethan Furman:
test script:
---------------------------------------
from collections import Counter
empty_counter = Counter()
counter = Counter('abbc')
empty_counter &= 5
counter &= 5
---------------------------------------
results:
---------------------------------------
Traceback (most recent call last):
File "blah.py", line 5, in <module>
counter &= 5
File "/home/ethan/source/python/issue22778/Lib/collections/__init__.py", line
780, in __iand__
other_count = other[elem]
TypeError: 'int' object is not subscriptable
----------------------------------------
As can be seen, the error does not show up when the Counter is empty, which
could lead to hard to diagnose bugs.
----------
assignee: rhettinger
files: issue22778.stoneleaf.01.patch
keywords: patch
messages: 230699
nosy: ethan.furman, rhettinger
priority: normal
severity: normal
stage: patch review
status: open
title: collections.Counter, when empty, doesn't raise an error with &= when
other is an incompatible type
type: behavior
versions: Python 3.4, Python 3.5
Added file: http://bugs.python.org/file37136/issue22778.stoneleaf.01.patch
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