Fixing flake8 E401, E402 errors

stdlib/3/email/parser.pyi

@@ -1,11 +1,11 @@
 # Stubs for email.parser (Python 3.4)
 
-from typing import Callable, Optional, TextIO, BinaryIO
 import email.feedparser
 from email.message import Message
+import sys
+from typing import Callable, Optional, TextIO, BinaryIO
 if sys.version_info >= (3, 3):
     from email.policy import Policy
-import sys
 
 FeedParser = email.feedparser.FeedParser
 BytesFeedParser = email.feedparser.BytesFeedParser

stdlib/3/email/policy.pyi

@@ -1,5 +1,6 @@
 # Stubs for email.policy (Python 3.4)
 
+from abc import abstractmethod
 from typing import Any, Optional, Tuple, Union, Callable
 import sys
 from email.message import Message
@@ -7,7 +8,6 @@ from email.errors import MessageDefect
 from email.header import Header
 if sys.version_info >= (3, 4):
     from email.contentmanager import ContentManager
-from abc import abstractmethod
 
 if sys.version_info >= (3, 3):