format

Author: clayote

tests/test_slots.py

@@ -7,12 +7,17 @@
 import functools
 import pickle
 import weakref
+from itertools import zip_longest
 
 from pathlib import Path
 from tempfile import TemporaryDirectory
 from unittest import mock
 
+import hypothesis.strategies as st
 import pytest
+from hypothesis import given
+
+from attr._make import _TupleProxy
 
 
 try:
@@ -752,15 +757,14 @@ def test_tuple_proxy(t):
     It's not a tuple for the purposes of :func:`isinstance` and that's about it
     """
     prox = _TupleProxy(t)
-    assert(len(t) == len(prox))
+    assert len(t) == len(prox)
     for a, b in zip_longest(t, prox):
         assert a is b
     for i in range(len(prox)):
         assert t[i] is prox[i]
     assert not isinstance(prox, tuple)
 
 
-
 @attr.s(slots=True)
 class SphinxDocTest:
     """Test that slotted cached_property shows up in Sphinx docs"""