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Make sure copy and deepcopy are returning same class #460

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Merged
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Aug 15, 2017
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Make sure copy and deepcopy are returning same class #460

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Make sure copy and deepcopy are returning same class.
mitar Aug 14, 2017
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mitar Aug 15, 2017
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mitar Aug 15, 2017
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7 changes: 7 additions & 0 deletions src/test_typing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1069,6 +1069,13 @@ class Node(Generic[T]): ...
for t in things + [Any]:
self.assertEqual(t, copy(t))
self.assertEqual(t, deepcopy(t))
if sys.version_info >= (3, 3):
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Could you please add a comment here explaining why we need this?

# From copy module documentation:
# It does "copy" functions and classes (shallow and deeply), by returning
# the original object unchanged; this is compatible with the way these
# are treated by the pickle module.
self.assertTrue(t is copy(t))
self.assertTrue(t is deepcopy(t))

def test_weakref_all(self):
T = TypeVar('T')
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