apply black and isort (#4287)

* apply black and isort

* move some type ignores

stdlib/2/urllib2.pyi

@@ -1,8 +1,7 @@
-
 import ssl
-from typing import Any, AnyStr, Dict, List, Union, Optional, Mapping, Callable, Sequence, Text, Tuple, Type
-from urllib import addinfourl
 from httplib import HTTPConnectionProtocol, HTTPResponse
+from typing import Any, AnyStr, Callable, Dict, List, Mapping, Optional, Sequence, Text, Tuple, Type, Union
+from urllib import addinfourl
 
 _string = Union[str, unicode]
 
@@ -23,9 +22,14 @@ class Request(object):
     type: Optional[str]
     origin_req_host = ...
     unredirected_hdrs: Dict[str, str]
-
-    def __init__(self, url: str, data: Optional[str] = ..., headers: Dict[str, str] = ...,
-                 origin_req_host: Optional[str] = ..., unverifiable: bool = ...) -> None: ...
+    def __init__(
+        self,
+        url: str,
+        data: Optional[str] = ...,
+        headers: Dict[str, str] = ...,
+        origin_req_host: Optional[str] = ...,
+        unverifiable: bool = ...,
+    ) -> None: ...
     def __getattr__(self, attr): ...
     def get_method(self) -> str: ...
     def add_data(self, data) -> None: ...
@@ -47,23 +51,29 @@ class Request(object):
 
 class OpenerDirector(object):
     addheaders: List[Tuple[str, str]]
-
     def add_handler(self, handler: BaseHandler) -> None: ...
-    def open(self, fullurl: Union[Request, _string], data: Optional[_string] = ..., timeout: Optional[float] = ...) -> Optional[addinfourl]: ...
+    def open(
+        self, fullurl: Union[Request, _string], data: Optional[_string] = ..., timeout: Optional[float] = ...
+    ) -> Optional[addinfourl]: ...
     def error(self, proto: _string, *args: Any): ...
 
 # Note that this type is somewhat a lie. The return *can* be None if
 # a custom opener has been installed that fails to handle the request.
-def urlopen(url: Union[Request, _string], data: Optional[_string] = ..., timeout: Optional[float] = ...,
-            cafile: Optional[_string] = ..., capath: Optional[_string] = ..., cadefault: bool = ...,
-            context: Optional[ssl.SSLContext] = ...) -> addinfourl: ...
+def urlopen(
+    url: Union[Request, _string],
+    data: Optional[_string] = ...,
+    timeout: Optional[float] = ...,
+    cafile: Optional[_string] = ...,
+    capath: Optional[_string] = ...,
+    cadefault: bool = ...,
+    context: Optional[ssl.SSLContext] = ...,
+) -> addinfourl: ...
 def install_opener(opener: OpenerDirector) -> None: ...
 def build_opener(*handlers: Union[BaseHandler, Type[BaseHandler]]) -> OpenerDirector: ...
 
 class BaseHandler:
     handler_order: int
     parent: OpenerDirector
-
     def add_parent(self, parent: OpenerDirector) -> None: ...
     def close(self) -> None: ...
     def __lt__(self, other: Any) -> bool: ...
@@ -84,10 +94,8 @@ class HTTPRedirectHandler(BaseHandler):
     def http_error_307(self, req: Request, fp: addinfourl, code: int, msg: str, headers: Mapping[str, str]): ...
     inf_msg: str
 
-
 class ProxyHandler(BaseHandler):
     proxies: Mapping[str, str]
-
     def __init__(self, proxies: Optional[Mapping[str, str]] = ...): ...
     def proxy_open(self, req: Request, proxy, type): ...
 
@@ -118,8 +126,7 @@ class AbstractDigestAuthHandler:
     def __init__(self, passwd: Optional[HTTPPasswordMgr] = ...) -> None: ...
     def add_password(self, realm: Optional[Text], uri: Union[Text, Sequence[Text]], user: Text, passwd: Text) -> None: ...
     def reset_retry_count(self) -> None: ...
-    def http_error_auth_reqed(self, auth_header: str, host: str, req: Request,
-                              headers: Mapping[str, str]) -> None: ...
+    def http_error_auth_reqed(self, auth_header: str, host: str, req: Request, headers: Mapping[str, str]) -> None: ...
     def retry_http_digest_auth(self, req: Request, auth: str) -> Optional[HTTPResponse]: ...
     def get_cnonce(self, nonce: str) -> str: ...
     def get_authorization(self, req: Request, chal: Mapping[str, str]) -> str: ...
@@ -140,10 +147,7 @@ class AbstractHTTPHandler(BaseHandler):  # undocumented
     def __init__(self, debuglevel: int = ...) -> None: ...
     def set_http_debuglevel(self, level: int) -> None: ...
     def do_request_(self, request: Request) -> Request: ...
-    def do_open(self,
-                http_class: HTTPConnectionProtocol,
-                req: Request,
-                **http_conn_args: Optional[Any]) -> addinfourl: ...
+    def do_open(self, http_class: HTTPConnectionProtocol, req: Request, **http_conn_args: Optional[Any]) -> addinfourl: ...
 
 class HTTPHandler(AbstractHTTPHandler):
     def http_open(self, req: Request) -> addinfourl: ...