fix lint

Author: radix

effect/test_fold.py

@@ -3,9 +3,7 @@
 
 from pytest import raises
 
-from effect import (
-    ComposedDispatcher, Effect, Error,
-    base_dispatcher, sync_perform)
+from effect import Effect, Error, base_dispatcher, sync_perform
 from effect.fold import FoldError, fold_effect, sequence
 from effect.testing import perform_sequence
 

effect/test_testing.py

@@ -364,10 +364,12 @@ def failer():
 class MyIntent(object):
     val = attr.ib()
 
+
 @attr.s
 class OtherIntent(object):
     val = attr.ib()
 
+
 def test_perform_sequence():
     """perform_sequence pretty much acts like SequenceDispatcher by default."""