organize imports

test/test_evaluate/test_buildout_detection.py

@@ -1,12 +1,12 @@
 import os
-from ..helpers import cwd_at
+
 from jedi._compatibility import u
-from jedi.parser import Parser
-from jedi.evaluate.sys_path import (
-    _get_parent_dir_with_file,
+from jedi.evaluate.sys_path import (_get_parent_dir_with_file,
                                     _get_buildout_scripts,
-    _check_module
-)
+                                    _check_module)
+from jedi.parser import Parser
+
+from ..helpers import cwd_at
 
 
 @cwd_at('test/test_evaluate/buildout_project/src/proj_name')

test/test_parser/test_token.py

@@ -1,10 +1,7 @@
-from jedi import parser
 from jedi._compatibility import u
+from jedi import parser
 
-try:
-    import unittest2 as unittest
-except ImportError:  # pragma: no cover
-    import unittest
+from ..helpers import unittest
 
 
 class TokenTest(unittest.TestCase):