Put an extra space into the repr of a Fraction:
Fraction(1, 2) instead of Fraction(1,2).
diff --git a/Lib/fractions.py b/Lib/fractions.py
index 3f070de..123ecb6 100755
--- a/Lib/fractions.py
+++ b/Lib/fractions.py
@@ -187,7 +187,7 @@
 
     def __repr__(self):
         """repr(self)"""
-        return ('Fraction(%r,%r)' % (self.numerator, self.denominator))
+        return ('Fraction(%r, %r)' % (self.numerator, self.denominator))
 
     def __str__(self):
         """str(self)"""
diff --git a/Lib/test/test_fractions.py b/Lib/test/test_fractions.py
index cd35644..a79fedd 100644
--- a/Lib/test/test_fractions.py
+++ b/Lib/test/test_fractions.py
@@ -363,7 +363,7 @@
         self.assertFalse(R(5, 2) == 2)
 
     def testStringification(self):
-        self.assertEquals("Fraction(7,3)", repr(R(7, 3)))
+        self.assertEquals("Fraction(7, 3)", repr(R(7, 3)))
         self.assertEquals("7/3", str(R(7, 3)))
         self.assertEquals("7", str(R(7, 1)))