commit 652a1cb0e11eb7cf0040acaf121492d2a99768d9
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Fri Oct 18 14:41:19 2019 -0700
committer Raymond Hettinger <rhettinger@users.noreply.github.com> Fri Oct 18 14:41:19 2019 -0700
tree a402ee12619f23a23e76ddeb3977a1683b0b13c9
parent 5fb81420d5ad64a900940e908b546cf40f2d6807

bpo-38521: Fix error in NormalDist.__eq__() (GH-16840) (GH-16842)

(cherry picked from commit 5eabec022b9a10734fcf58faad02c4d233592f64)

Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>

Lib/statistics.py

diff --git a/Lib/statistics.py b/Lib/statistics.py
index 0d747b3..461ffae 100644
--- a/Lib/statistics.py
+++ b/Lib/statistics.py
@@ -1092,7 +1092,7 @@
         "Two NormalDist objects are equal if their mu and sigma are both equal."
         if not isinstance(x2, NormalDist):
             return NotImplemented
-        return (x1._mu, x2._sigma) == (x2._mu, x2._sigma)
+        return x1._mu == x2._mu and x1._sigma == x2._sigma
 
     def __hash__(self):
         "NormalDist objects hash equal if their mu and sigma are both equal."