Fixed test error

Author: xarus01

py/tests/set.py

@@ -57,7 +57,13 @@
 assert 1 in c
 
 doc="__repr__"
-assert repr({1,2,3}) == "{1, 2, 3}"
+a = {1, 2, 3}
+b = a.__repr__()
+assert "{" in b
+assert "1" in b
+assert "2" in b
+assert "3" in b
+assert "}" in b
 
 doc="set"
 a = set([1,2,3])