upgrade hooks, pyupgrade pre-commit

tests/languages/all_test.py

@@ -1,26 +1,17 @@
-from __future__ import unicode_literals
-
 import functools
 import inspect
 
 import pytest
-import six
 
 from pre_commit.languages.all import all_languages
 from pre_commit.languages.all import languages
 
 
-if six.PY2:  # pragma: no cover
-    ArgSpec = functools.partial(
-        inspect.ArgSpec, varargs=None, keywords=None, defaults=None,
-    )
-    getargspec = inspect.getargspec
-else:  # pragma: no cover
-    ArgSpec = functools.partial(
-        inspect.FullArgSpec, varargs=None, varkw=None, defaults=None,
-        kwonlyargs=[], kwonlydefaults=None, annotations={},
-    )
-    getargspec = inspect.getfullargspec
+ArgSpec = functools.partial(
+    inspect.FullArgSpec, varargs=None, varkw=None, defaults=None,
+    kwonlyargs=[], kwonlydefaults=None, annotations={},
+)
+getargspec = inspect.getfullargspec
 
 
 @pytest.mark.parametrize('language', all_languages)

tests/languages/docker_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import mock
 
 from pre_commit.languages import docker

tests/languages/golang_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 
 from pre_commit.languages.golang import guess_go_dir

tests/languages/helpers_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import multiprocessing
 import os
 import sys

tests/languages/pygrep_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import pytest
 
 from pre_commit.languages import pygrep

tests/languages/python_test.py

@@ -1,6 +1,3 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-
 import os.path
 import sys
 
@@ -16,7 +13,7 @@ def test_norm_version_expanduser():
     home = os.path.expanduser('~')
     if os.name == 'nt':  # pragma: no cover (nt)
         path = r'~\python343'
-        expected_path = r'{}\python343'.format(home)
+        expected_path = fr'{home}\python343'
     else:  # pragma: windows no cover
         path = '~/.pyenv/versions/3.4.3/bin/python'
         expected_path = home + '/.pyenv/versions/3.4.3/bin/python'

tests/languages/ruby_test.py

@@ -1,5 +1,3 @@
-from __future__ import unicode_literals
-
 import os.path
 import pipes