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-rwxr-xr-xLib/rational.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/rational.py b/Lib/rational.py
index 90abe62d95..40b91635d3 100755
--- a/Lib/rational.py
+++ b/Lib/rational.py
@@ -14,7 +14,7 @@ __all__ = ["Rational"]
RationalAbc = numbers.Rational
-def _gcd(a, b):
+def _gcd(a, b): # XXX This is a useful function. Consider making it public.
"""Calculate the Greatest Common Divisor.
Unless b==0, the result will have the same sign as b (so that when