Small improvements to typing (#1517)

Work through some of the errors when running mypy with --strict.

github/AuthenticatedUser.pyi

@@ -25,7 +25,7 @@ class AuthenticatedUser(CompletableGithubObject):
     def _initAttributes(self) -> None: ...
     def _useAttributes(self, attributes: Dict[str, Any]) -> None: ...
     def accept_invitation(self, invitation: Union[int, Invitation]) -> None: ...
-    def add_to_emails(self, *emails) -> None: ...
+    def add_to_emails(self, *emails: List[str]) -> None: ...
     def add_to_following(self, following: NamedUser) -> None: ...
     def add_to_starred(self, starred: Repository) -> None: ...
     def add_to_subscriptions(self, subscription: Repository) -> None: ...

github/GithubObject.pyi

@@ -115,7 +115,7 @@ class _BadAttribute:
         self, value: Any, expectedType: Any, exception: Optional[ValueError] = ...
     ) -> None: ...
     @property
-    def value(self): ...
+    def value(self) -> Any: ...
 
 class _NotSetType:
     def __repr__(self) -> str: ...

github/MainClass.pyi

@@ -102,36 +102,40 @@ class Github:
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
         highlight: bool = ...,
-        **qualifiers
+        **qualifiers: Dict[str, Any]
     ) -> PaginatedList[ContentFile]: ...
     def search_commits(
         self,
         query: str,
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
-        **qualifiers
+        **qualifiers: Dict[str, Any]
     ) -> PaginatedList[Commit]: ...
     def search_issues(
         self,
         query: str,
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
-        **qualifiers
+        **qualifiers: Dict[str, Any]
     ) -> PaginatedList[Issue]: ...
     def search_repositories(
         self,
         query: str,
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
-        **qualifiers
+        **qualifiers: Dict[str, Any]
     ) -> PaginatedList[Repository]: ...
-    def search_topics(self, query: str, **qualifiers) -> PaginatedList[Topic]: ...
+    def search_topics(
+        self,
+        query: str,
+        **qualifiers: Dict[str, Any]
+    ) -> PaginatedList[Topic]: ...
     def search_users(
         self,
         query: str,
         sort: Union[str, _NotSetType] = ...,
         order: Union[str, _NotSetType] = ...,
-        **qualifiers
+        **qualifiers: Dict[str, Any]
     ) -> PaginatedList[NamedUser]: ...
 
 class GithubIntegration:

github/Migration.pyi

@@ -6,8 +6,7 @@ from github.NamedUser import NamedUser
 from github.Repository import Repository
 
 class Migration(CompletableGithubObject):
-    def __repr__(self):
-        str: ...
+    def __repr__(self) -> str: ...
     def _initAttributes(self) -> None: ...
     def _useAttributes(self, attributes: Dict[str, Any]) -> None: ...
     @property

github/Milestone.pyi

@@ -15,8 +15,7 @@ class Milestone(CompletableGithubObject):
     @property
     def closed_issues(self) -> int: ...
     @property
-    def created_at(self):
-        datetime: ...
+    def created_at(self) -> datetime: ...
     @property
     def creator(self) -> NamedUser: ...
     def delete(self) -> None: ...

github/Requester.pyi

@@ -17,7 +17,7 @@ class HTTPRequestsConnectionClass:
         strict: bool = ...,
         timeout: Optional[int] = ...,
         retry: Any = ...,
-        **kwargs
+        **kwargs: Dict[str, str]
     ) -> None: ...
     def close(self) -> None: ...
     def getresponse(self) -> RequestsResponse: ...
@@ -33,7 +33,7 @@ class HTTPSRequestsConnectionClass:
         strict: bool = ...,
         timeout: Optional[int] = ...,
         retry: Any = ...,
-        **kwargs
+        **kwargs: Dict[str, str]
     ) -> None: ...
     def close(self) -> None: ...
     def getresponse(self) -> RequestsResponse: ...
@@ -83,7 +83,7 @@ class Requester:
         parameters: Dict[str, str] = ...,
         headers: Dict[str, str] = ...,
         input: Optional[str] = ...,
-        encode: Callable = ...,
+        encode: Callable[[str], str] = ...,
     ) -> Tuple[int, Dict[str, Any], str]: ...
     def __requestRaw(
         self,