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# test simple async with execution
class AContext:
async def __aenter__(self):
print('enter')
async def __aexit__(self, exc_type, exc, tb):
print('exit', exc_type, exc)
async def f():
async with AContext():
print('body')
o = f()
try:
o.send(None)
except StopIteration:
print('finished')
async def g():
async with AContext():
raise ValueError('error')
o = g()
try:
o.send(None)
except ValueError:
print('ValueError')
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