Warren Weckesser <[email protected]> added the comment:
The premature return on ZeroDivisionError also causes an inconsistency in how
types are handled. For example,
>>> harmonic_mean([1, 0, "foo"])
0
We get an error as expected if "foo" occurs before 0:
>>> harmonic_mean([1, "foo", 0])
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/warren/repos/git/forks/cpython/Lib/statistics.py", line 406, in
harmonic_mean
T, total, count = _sum(1/x for x in _fail_neg(data, errmsg))
File "/Users/warren/repos/git/forks/cpython/Lib/statistics.py", line 166, in
_sum
for n,d in map(_exact_ratio, values):
File "/Users/warren/repos/git/forks/cpython/Lib/statistics.py", line 406, in
<genexpr>
T, total, count = _sum(1/x for x in _fail_neg(data, errmsg))
File "/Users/warren/repos/git/forks/cpython/Lib/statistics.py", line 288, in
_fail_neg
if x < 0:
TypeError: '<' not supported between instances of 'str' and 'int'
----------
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Python tracker <[email protected]>
<https://bugs.python.org/issue38382>
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