Use default flake8 config
diff --git a/tests/check_builtin_literals_test.py b/tests/check_builtin_literals_test.py
index d4ac30f..dbb9cc4 100644
--- a/tests/check_builtin_literals_test.py
+++ b/tests/check_builtin_literals_test.py
@@ -2,9 +2,9 @@
 
 import pytest
 
-from pre_commit_hooks.check_builtin_literals import BuiltinTypeCall
-from pre_commit_hooks.check_builtin_literals import BuiltinTypeVisitor
+from pre_commit_hooks.check_builtin_literals import Call
 from pre_commit_hooks.check_builtin_literals import main
+from pre_commit_hooks.check_builtin_literals import Visitor
 
 BUILTIN_CONSTRUCTORS = '''\
 from six.moves import builtins
@@ -38,7 +38,7 @@
 
 @pytest.fixture
 def visitor():
-    return BuiltinTypeVisitor()
+    return Visitor()
 
 
 @pytest.mark.parametrize(
@@ -48,35 +48,35 @@
         ('x[0]()', []),
         # complex
         ("0j", []),
-        ("complex()", [BuiltinTypeCall('complex', 1, 0)]),
+        ("complex()", [Call('complex', 1, 0)]),
         ("complex(0, 0)", []),
         ("complex('0+0j')", []),
         ('builtins.complex()', []),
         # float
         ("0.0", []),
-        ("float()", [BuiltinTypeCall('float', 1, 0)]),
+        ("float()", [Call('float', 1, 0)]),
         ("float('0.0')", []),
         ('builtins.float()', []),
         # int
         ("0", []),
-        ("int()", [BuiltinTypeCall('int', 1, 0)]),
+        ("int()", [Call('int', 1, 0)]),
         ("int('0')", []),
         ('builtins.int()', []),
         # list
         ("[]", []),
-        ("list()", [BuiltinTypeCall('list', 1, 0)]),
+        ("list()", [Call('list', 1, 0)]),
         ("list('abc')", []),
         ("list([c for c in 'abc'])", []),
         ("list(c for c in 'abc')", []),
         ('builtins.list()', []),
         # str
         ("''", []),
-        ("str()", [BuiltinTypeCall('str', 1, 0)]),
+        ("str()", [Call('str', 1, 0)]),
         ("str('0')", []),
         ('builtins.str()', []),
         # tuple
         ("()", []),
-        ("tuple()", [BuiltinTypeCall('tuple', 1, 0)]),
+        ("tuple()", [Call('tuple', 1, 0)]),
         ("tuple('abc')", []),
         ("tuple([c for c in 'abc'])", []),
         ("tuple(c for c in 'abc')", []),
@@ -92,7 +92,7 @@
     ('expression', 'calls'),
     [
         ("{}", []),
-        ("dict()", [BuiltinTypeCall('dict', 1, 0)]),
+        ("dict()", [Call('dict', 1, 0)]),
         ("dict(a=1, b=2, c=3)", []),
         ("dict(**{'a': 1, 'b': 2, 'c': 3})", []),
         ("dict([(k, v) for k, v in [('a', 1), ('b', 2), ('c', 3)]])", []),
@@ -108,20 +108,22 @@
 @pytest.mark.parametrize(
     ('expression', 'calls'),
     [
-        ("dict()", [BuiltinTypeCall('dict', 1, 0)]),
-        ("dict(a=1, b=2, c=3)", [BuiltinTypeCall('dict', 1, 0)]),
-        ("dict(**{'a': 1, 'b': 2, 'c': 3})", [BuiltinTypeCall('dict', 1, 0)]),
+        ("dict()", [Call('dict', 1, 0)]),
+        ("dict(a=1, b=2, c=3)", [Call('dict', 1, 0)]),
+        ("dict(**{'a': 1, 'b': 2, 'c': 3})", [Call('dict', 1, 0)]),
         ('builtins.dict()', []),
     ],
 )
 def test_dict_no_allow_kwargs_exprs(expression, calls):
-    visitor = BuiltinTypeVisitor(allow_dict_kwargs=False)
+    visitor = Visitor(allow_dict_kwargs=False)
     visitor.visit(ast.parse(expression))
     assert visitor.builtin_type_calls == calls
 
 
 def test_ignore_constructors():
-    visitor = BuiltinTypeVisitor(ignore=('complex', 'dict', 'float', 'int', 'list', 'str', 'tuple'))
+    visitor = Visitor(ignore=(
+        'complex', 'dict', 'float', 'int', 'list', 'str', 'tuple',
+    ))
     visitor.visit(ast.parse(BUILTIN_CONSTRUCTORS))
     assert visitor.builtin_type_calls == []
 
diff --git a/tests/detect_aws_credentials_test.py b/tests/detect_aws_credentials_test.py
index f1bd7d4..31ba33e 100644
--- a/tests/detect_aws_credentials_test.py
+++ b/tests/detect_aws_credentials_test.py
@@ -1,7 +1,7 @@
 import pytest
 from mock import patch
 
-from pre_commit_hooks.detect_aws_credentials import get_aws_credential_files_from_env
+from pre_commit_hooks.detect_aws_credentials import get_aws_cred_files_from_env
 from pre_commit_hooks.detect_aws_credentials import get_aws_secrets_from_env
 from pre_commit_hooks.detect_aws_credentials import get_aws_secrets_from_file
 from pre_commit_hooks.detect_aws_credentials import main
@@ -35,9 +35,8 @@
     ),
 )
 def test_get_aws_credentials_file_from_env(env_vars, values):
-    """Test that reading credential files names from environment variables works."""
     with patch.dict('os.environ', env_vars, clear=True):
-        assert get_aws_credential_files_from_env() == values
+        assert get_aws_cred_files_from_env() == values
 
 
 @pytest.mark.parametrize(
@@ -107,12 +106,11 @@
     ),
 )
 def test_detect_aws_credentials(filename, expected_retval):
-    """Test if getting configured AWS secrets from files to be checked in works."""
-
     # with a valid credentials file
     ret = main((
         get_resource_path(filename),
-        "--credentials-file=testing/resources/aws_config_with_multiple_sections.ini",
+        '--credentials-file',
+        'testing/resources/aws_config_with_multiple_sections.ini',
     ))
     assert ret == expected_retval
 
@@ -138,8 +136,9 @@
 
 @patch('pre_commit_hooks.detect_aws_credentials.get_aws_secrets_from_file')
 @patch('pre_commit_hooks.detect_aws_credentials.get_aws_secrets_from_env')
-def test_non_existent_credentials_with_allow_flag(mock_secrets_env, mock_secrets_file):
-    """Test behavior with no configured AWS secrets and flag to allow when missing."""
+def test_non_existent_credentials_with_allow_flag(
+        mock_secrets_env, mock_secrets_file,
+):
     mock_secrets_env.return_value = set()
     mock_secrets_file.return_value = set()
     ret = main((
diff --git a/tests/pretty_format_json_test.py b/tests/pretty_format_json_test.py
index 8d82d74..bf7a16f 100644
--- a/tests/pretty_format_json_test.py
+++ b/tests/pretty_format_json_test.py
@@ -57,7 +57,10 @@
 
 
 def test_non_ascii_main():
-    ret = main(['--no-ensure-ascii', get_resource_path('non_ascii_pretty_formatted_json.json')])
+    ret = main((
+        '--no-ensure-ascii',
+        get_resource_path('non_ascii_pretty_formatted_json.json'),
+    ))
     assert ret == 0
 
 
@@ -79,17 +82,23 @@
 
 
 def test_orderfile_get_pretty_format():
-    ret = main(['--top-keys=alist', get_resource_path('pretty_formatted_json.json')])
+    ret = main((
+        '--top-keys=alist', get_resource_path('pretty_formatted_json.json'),
+    ))
     assert ret == 0
 
 
 def test_not_orderfile_get_pretty_format():
-    ret = main(['--top-keys=blah', get_resource_path('pretty_formatted_json.json')])
+    ret = main((
+        '--top-keys=blah', get_resource_path('pretty_formatted_json.json'),
+    ))
     assert ret == 1
 
 
 def test_top_sorted_get_pretty_format():
-    ret = main(['--top-keys=01-alist,alist', get_resource_path('top_sorted_json.json')])
+    ret = main((
+        '--top-keys=01-alist,alist', get_resource_path('top_sorted_json.json'),
+    ))
     assert ret == 0
 
 
diff --git a/tests/requirements_txt_fixer_test.py b/tests/requirements_txt_fixer_test.py
index b3a7942..c7c6e47 100644
--- a/tests/requirements_txt_fixer_test.py
+++ b/tests/requirements_txt_fixer_test.py
@@ -15,13 +15,25 @@
         (b'foo\n# comment at end\n', PASS, b'foo\n# comment at end\n'),
         (b'foo\nbar\n', FAIL, b'bar\nfoo\n'),
         (b'bar\nfoo\n', PASS, b'bar\nfoo\n'),
-        (b'#comment1\nfoo\n#comment2\nbar\n', FAIL, b'#comment2\nbar\n#comment1\nfoo\n'),
-        (b'#comment1\nbar\n#comment2\nfoo\n', PASS, b'#comment1\nbar\n#comment2\nfoo\n'),
+        (
+            b'#comment1\nfoo\n#comment2\nbar\n',
+            FAIL,
+            b'#comment2\nbar\n#comment1\nfoo\n',
+        ),
+        (
+            b'#comment1\nbar\n#comment2\nfoo\n',
+            PASS,
+            b'#comment1\nbar\n#comment2\nfoo\n',
+        ),
         (b'#comment\n\nfoo\nbar\n', FAIL, b'#comment\n\nbar\nfoo\n'),
         (b'#comment\n\nbar\nfoo\n', PASS, b'#comment\n\nbar\nfoo\n'),
         (b'\nfoo\nbar\n', FAIL, b'bar\n\nfoo\n'),
         (b'\nbar\nfoo\n', PASS, b'\nbar\nfoo\n'),
-        (b'pyramid==1\npyramid-foo==2\n', PASS, b'pyramid==1\npyramid-foo==2\n'),
+        (
+            b'pyramid==1\npyramid-foo==2\n',
+            PASS,
+            b'pyramid==1\npyramid-foo==2\n',
+        ),
         (b'ocflib\nDjango\nPyMySQL\n', FAIL, b'Django\nocflib\nPyMySQL\n'),
         (
             b'-e git+ssh://git_url@tag#egg=ocflib\nDjango\nPyMySQL\n',
diff --git a/tests/tests_should_end_in_test_test.py b/tests/tests_should_end_in_test_test.py
index 4eb98e7..2acfa17 100644
--- a/tests/tests_should_end_in_test_test.py
+++ b/tests/tests_should_end_in_test_test.py
@@ -12,7 +12,10 @@
 
 
 def test_main_django_all_pass():
-    ret = main(['--django', 'tests.py', 'test_foo.py', 'test_bar.py', 'tests/test_baz.py'])
+    ret = main((
+        '--django', 'tests.py', 'test_foo.py', 'test_bar.py',
+        'tests/test_baz.py',
+    ))
     assert ret == 0