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):
 

stdlib/3/importlib/abc.pyi

@@ -1,16 +1,17 @@
 from abc import ABCMeta, abstractmethod
-if sys.version_info >= (3, 4):
-    from _importlib_modulespec import ModuleSpec
 import sys
 import types
 from typing import Any, Mapping, Optional, Sequence, Tuple, Union
 
-_Path = Union[bytes, str]
-
 # Loader is exported from this module, but for circular import reasons
 # exists in its own stub file (with ModuleSpec and ModuleType).
 from _importlib_modulespec import Loader as Loader  # Exported
 
+if sys.version_info >= (3, 4):
+    from _importlib_modulespec import ModuleSpec
+
+_Path = Union[bytes, str]
+
 class Finder(metaclass=ABCMeta): ...
     # Technically this class defines the following method, but its subclasses
     # in this module violate its signature. Since this class is deprecated, it's

stdlib/3/os/__init__.pyi

@@ -3,12 +3,13 @@
 
 # based on http: //docs.python.org/3.2/library/os.html
 
+from builtins import OSError as error
+from io import TextIOWrapper as _TextIOWrapper
+import sys
 from typing import (
     Mapping, MutableMapping, Dict, List, Any, Tuple, Iterator, overload, Union, AnyStr,
     Optional, Generic, Set, Callable
 )
-import sys
-from builtins import OSError as error
 from . import path
 
 # ----- os variables -----
@@ -323,7 +324,6 @@ def killpg(pgid: int, sig: int) -> None: ...  # Unix only
 def nice(increment: int) -> int: ...  # Unix only
 def plock(op: int) -> None: ...  # Unix only ???op is int?
 
-from io import TextIOWrapper as _TextIOWrapper
 class popen(_TextIOWrapper):
     # TODO 'b' modes or bytes command not accepted?
     def __init__(self, command: str, mode: str = ...,

stdlib/3/platform.pyi

@@ -1,13 +1,12 @@
 # Stubs for platform (Python 3.5)
 
-from typing import Tuple, NamedTuple
-
 from os import devnull as DEV_NULL
+from os import popen
+from typing import Tuple, NamedTuple
 
 def libc_ver(executable: str = ..., lib: str = ..., version: str = ..., chunksize: int = ...) -> Tuple[str, str]: ...
 def linux_distribution(distname: str = ..., version: str = ..., id: str = ..., supported_dists: Tuple[str, ...] = ..., full_distribution_name: bool = ...) -> Tuple[str, str, str]: ...
 def dist(distname: str = ..., version: str = ..., id: str = ..., supported_dists: Tuple[str, ...] = ...) -> Tuple[str, str, str]: ...
-from os import popen
 def win32_ver(release: str = ..., version: str = ..., csd: str = ..., ptype: str = ...) -> Tuple[str, str, str, str]: ...
 def mac_ver(release: str = ..., versioninfo: Tuple[str, str, str] = ..., machine: str = ...) -> Tuple[str, Tuple[str, str, str], str]: ...
 def java_ver(release: str = ..., vendor: str = ..., vminfo: Tuple[str, str, str] = ..., osinfo: Tuple[str, str, str] = ...) -> Tuple[str, str, Tuple[str, str, str], Tuple[str, str, str]]: ...

stdlib/3/types.pyi

@@ -9,6 +9,10 @@ from typing import (
     Union, overload
 )
 
+# ModuleType is exported from this module, but for circular import
+# reasons exists in its own stub file (with ModuleSpec and Loader).
+from _importlib_modulespec import ModuleType as ModuleType  # Exported
+
 _T = TypeVar('_T')
 _KT = TypeVar('_KT')
 _VT = TypeVar('_VT')
@@ -107,10 +111,6 @@ class BuiltinFunctionType:
     def __call__(self, *args: Any, **kwargs: Any) -> Any: ...
 BuiltinMethodType = BuiltinFunctionType
 
-# ModuleType is exported from this module, but for circular import
-# reasons exists in its own stub file (with ModuleSpec and Loader).
-from _importlib_modulespec import ModuleType as ModuleType  # Exported
-
 class TracebackType:
     tb_frame = ...  # type: FrameType
     tb_lasti = ...  # type: int