Remove unused import

RazerM · RazerM · commit 64b126a3c80a · 2018-07-05T22:15:26.000+02:00
diff --git a/src/outcome/_async.py b/src/outcome/_async.py
@@ -3,7 +3,6 @@
 from ._sync import Error as ErrorBase
 from ._sync import Outcome as OutcomeBase
 from ._sync import Value as ValueBase
-from ._util import AlreadyUsedError
 
 __all__ = ['Error', 'Outcome', 'Value', 'acapture', 'capture']
 
