tweak files to fix pytype parsing errors (#1325)

* Don't use "\" to join lines

stdlib/3/email/headerregistry.pyi

@@ -97,6 +97,5 @@ if sys.version_info >= (3, 3):
         display_name = ...  # type: Optional[str]
         addresses = ...  # type: Tuple[Address, ...]
         def __init__(self, display_name: Optional[str] = ...,
-                     addresses: Optional[Tuple[Address, ...]] = ...) \
-                     -> None: ...
+                     addresses: Optional[Tuple[Address, ...]] = ...) -> None: ...
         def __str__(self) -> str: ...

stdlib/3/email/message.pyi

@@ -29,8 +29,7 @@ class Message:
     def set_unixfrom(self, unixfrom: str) -> None: ...
     def get_unixfrom(self) -> Optional[str]: ...
     def attach(self, payload: 'Message') -> None: ...
-    def get_payload(self, i: int = ..., decode: bool = ...) \
-                    -> Optional[_PayloadType]: ...
+    def get_payload(self, i: int = ..., decode: bool = ...) -> Optional[_PayloadType]: ...
     def set_payload(self, payload: _PayloadType,
                     charset: _CharsetType = ...) -> None: ...
     def set_charset(self, charset: _CharsetType) -> None: ...
@@ -45,8 +44,7 @@ class Message:
     def items(self) -> List[Tuple[str, str]]: ...
     def get(self, name: str, failobj: _T = ...) -> Union[str, _T]: ...
     def get_all(self, name: str, failobj: _T = ...) -> Union[List[str], _T]: ...
-    def add_header(self, _name: str, _value: str, **_params: _ParamsType) \
-                   -> None: ...
+    def add_header(self, _name: str, _value: str, **_params: _ParamsType) -> None: ...
     def replace_header(self, _name: str, _value: str) -> None: ...
     def get_content_type(self) -> str: ...
     def get_content_maintype(self) -> str: ...

stdlib/3/http/cookiejar.pyi

@@ -83,8 +83,7 @@ class DefaultCookiePolicy(CookiePolicy):
     def set_blocked_domains(self, blocked_domains: Sequence[str]) -> None: ...
     def is_blocked(self, domain: str) -> bool: ...
     def allowed_domains(self) -> Optional[Tuple[str, ...]]: ...
-    def set_allowed_domains(self, allowed_domains: Optional[Sequence[str]]) \
-                            -> None: ...
+    def set_allowed_domains(self, allowed_domains: Optional[Sequence[str]]) -> None: ...
     def is_not_allowed(self, domain: str) -> bool: ...
 
 

stdlib/3/ssl.pyi

@@ -205,11 +205,9 @@ class SSLContext:
         def load_default_certs(self, purpose: _PurposeType = ...) -> None: ...
         def load_verify_locations(self, cafile: Optional[str] = ...,
                                   capath: Optional[str] = ...,
-                                  cadata: Union[str, bytes, None] = ...) \
-                                  -> None: ...
+                                  cadata: Union[str, bytes, None] = ...) -> None: ...
         def get_ca_certs(self,
-                         binary_form: bool = ...) \
-                         -> Union[List[_PeerCertRetDictType], List[bytes]]: ...
+                         binary_form: bool = ...) -> Union[List[_PeerCertRetDictType], List[bytes]]: ...
     else:
         def load_verify_locations(self,
                                   cafile: Optional[str] = ...,
@@ -220,8 +218,7 @@ class SSLContext:
         def set_alpn_protocols(self, protocols: List[str]) -> None: ...
     def set_npn_protocols(self, protocols: List[str]) -> None: ...
     def set_servername_callback(self,
-                                server_name_callback: Optional[_SrvnmeCbType]) \
-                                -> None: ...
+                                server_name_callback: Optional[_SrvnmeCbType]) -> None: ...
     def load_dh_params(self, dhfile: str) -> None: ...
     def set_ecdh_curve(self, curve_name: str) -> None: ...
     def wrap_socket(self, sock: socket.socket, server_side: bool = ...,

stdlib/3/urllib/request.pyi

@@ -106,14 +106,12 @@ class ProxyHandler(BaseHandler):
 class HTTPPasswordMgr:
     def add_password(self, realm: str, uri: Union[str, Sequence[str]],
                      user: str, passwd: str) -> None: ...
-    def find_user_password(self, realm: str, authuri: str) \
-                           -> Tuple[Optional[str], Optional[str]]: ...
+    def find_user_password(self, realm: str, authuri: str) -> Tuple[Optional[str], Optional[str]]: ...
 
 class HTTPPasswordMgrWithDefaultRealm(HTTPPasswordMgr):
     def add_password(self, realm: str, uri: Union[str, Sequence[str]],
                      user: str, passwd: str) -> None: ...
-    def find_user_password(self, realm: str, authuri: str) \
-                           -> Tuple[Optional[str], Optional[str]]: ...
+    def find_user_password(self, realm: str, authuri: str) -> Tuple[Optional[str], Optional[str]]: ...
 
 if sys.version_info >= (3, 5):
     class HTTPPasswordMgrWithPriorAuth(HTTPPasswordMgrWithDefaultRealm):

tests/pytype_blacklist.txt

@@ -23,8 +23,6 @@ stdlib/3/concurrent/futures/__init__.pyi
 stdlib/3/concurrent/futures/_base.pyi
 stdlib/3/concurrent/futures/process.pyi
 stdlib/3/concurrent/futures/thread.pyi
-stdlib/3/email/headerregistry.pyi
-stdlib/3/email/message.pyi
 stdlib/3/email/policy.pyi
 stdlib/3/fileinput.pyi
 stdlib/3/gzip.pyi
@@ -44,7 +42,6 @@ stdlib/3/types.pyi
 stdlib/3/unittest/__init__.pyi
 stdlib/3/unittest/mock.pyi
 stdlib/3/urllib/parse.pyi
-stdlib/3/urllib/request.pyi
 stdlib/3/wsgiref/types.pyi
 stdlib/3.4/asyncio/events.pyi
 stdlib/3.4/asyncio/futures.pyi