[Python-checkins] Fix renamed "total" variable (#92287)
rhettinger
webhook-mailer at python.org
Wed May 4 00:22:08 EDT 2022
https://github.com/python/cpython/commit/d20bb33f782f5677256d7e1f2462b78113692969
commit: d20bb33f782f5677256d7e1f2462b78113692969
branch: main
author: Raymond Hettinger <rhettinger at users.noreply.github.com>
committer: rhettinger <rhettinger at users.noreply.github.com>
date: 2022-05-03T23:22:04-05:00
summary:
Fix renamed "total" variable (#92287)
* Fix renamed "total" variable
* Keep nan/inf handling consistent between versions
files:
M Lib/statistics.py
diff --git a/Lib/statistics.py b/Lib/statistics.py
index 5a3de810836de..c0220889ebdc4 100644
--- a/Lib/statistics.py
+++ b/Lib/statistics.py
@@ -234,7 +234,7 @@ def _ss(data, c=None):
# The sum will be a NAN or INF. We can ignore all the finite
# partials, and just look at this special one.
ssd = c = sx_partials[None]
- assert not _isfinite(total)
+ assert not _isfinite(ssd)
else:
sx = sum(Fraction(n, d) for d, n in sx_partials.items())
sxx = sum(Fraction(n, d*d) for d, n in sxx_partials.items())
@@ -945,7 +945,11 @@ def _mean_stdev(data):
if n < 2:
raise StatisticsError('stdev requires at least two data points')
mss = ss / (n - 1)
- return float(xbar), _float_sqrt_of_frac(mss.numerator, mss.denominator)
+ try:
+ return float(xbar), _float_sqrt_of_frac(mss.numerator, mss.denominator)
+ except AttributeError:
+ # Handle Nans and Infs gracefully
+ return float(xbar), float(xbar) / float(ss)
# === Statistics for relations between two inputs ===
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