Tidy up and auto-format

spacy/tests/parser/test_ner.py

@@ -277,7 +277,7 @@ def test_change_number_features():
     )
     assert ner.model.lower.nF == 3
     # Test the model runs
-    doc = nlp("hello world")
+    nlp("hello world")
 
 
 class BlockerComponent1(object):

spacy/tests/regression/test_issue4590.py

@@ -1,7 +1,6 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
-import pytest
 from mock import Mock
 from spacy.matcher import DependencyMatcher
 from ..util import get_doc