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from sys import version_info
from pyflakes import messages as m
from pyflakes.test.harness import TestCase, skipIf
class Test(TestCase):
@skipIf(version_info >= (3, 3), 'new in Python 3.3')
def test_return(self):
self.flakes('''
class a:
def b():
for x in a.c:
if x:
yield x
return a
''', m.ReturnWithArgsInsideGenerator)
@skipIf(version_info >= (3, 3), 'new in Python 3.3')
def test_returnNone(self):
self.flakes('''
def a():
yield 12
return None
''', m.ReturnWithArgsInsideGenerator)
@skipIf(version_info >= (3, 3), 'new in Python 3.3')
def test_returnYieldExpression(self):
self.flakes('''
def a():
b = yield a
return b
''', m.ReturnWithArgsInsideGenerator)
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