Use variable annotations everywhere (#2909)

stdlib/3/asyncio/__init__.pyi

@@ -114,10 +114,10 @@ if sys.version_info >= (3, 7):
 # TODO: It should be possible to instantiate these classes, but mypy
 # currently disallows this.
 # See https://github.com/python/mypy/issues/1843
-SelectorEventLoop = ...  # type: Type[AbstractEventLoop]
+SelectorEventLoop: Type[AbstractEventLoop]
 if sys.platform == 'win32':
-    ProactorEventLoop = ...  # type: Type[AbstractEventLoop]
-DefaultEventLoopPolicy = ...  # type: Type[AbstractEventLoopPolicy]
+    ProactorEventLoop: Type[AbstractEventLoop]
+DefaultEventLoopPolicy: Type[AbstractEventLoopPolicy]
 
 # TODO: AbstractChildWatcher (UNIX only)
 

stdlib/3/asyncio/events.pyi

@@ -21,7 +21,7 @@ _TransProtPair = Tuple[BaseTransport, BaseProtocol]
 
 class Handle:
     _cancelled = False
-    _args = ...  # type: List[Any]
+    _args: List[Any]
     def __init__(self, callback: Callable[..., Any], args: List[Any], loop: AbstractEventLoop) -> None: ...
     def __repr__(self) -> str: ...
     def cancel(self) -> None: ...

stdlib/3/asyncio/futures.pyi

@@ -16,8 +16,8 @@ _S = TypeVar('_S', bound=Future)
 class InvalidStateError(Error): ...
 
 class _TracebackLogger:
-    exc = ...  # type: BaseException
-    tb = ...  # type: List[str]
+    exc: BaseException
+    tb: List[str]
     def __init__(self, exc: Any, loop: AbstractEventLoop) -> None: ...
     def activate(self) -> None: ...
     def clear(self) -> None: ...
@@ -27,11 +27,11 @@ if sys.version_info >= (3, 5):
     def isfuture(obj: object) -> bool: ...
 
 class Future(Awaitable[_T], Iterable[_T]):
-    _state = ...  # type: str
-    _exception = ...  # type: BaseException
+    _state: str
+    _exception: BaseException
     _blocking = False
     _log_traceback = False
-    _tb_logger = ...  # type: Type[_TracebackLogger]
+    _tb_logger: Type[_TracebackLogger]
     def __init__(self, *, loop: AbstractEventLoop = ...) -> None: ...
     def __repr__(self) -> str: ...
     def __del__(self) -> None: ...

stdlib/3/asyncio/streams.pyi

@@ -12,12 +12,12 @@ _ClientConnectedCallback = Callable[[StreamReader, StreamWriter], Optional[Await
 __all__: List[str]
 
 class IncompleteReadError(EOFError):
-    expected = ...  # type: Optional[int]
-    partial = ...  # type: bytes
+    expected: Optional[int]
+    partial: bytes
     def __init__(self, partial: bytes, expected: Optional[int]) -> None: ...
 
 class LimitOverrunError(Exception):
-    consumed = ...  # type: int
+    consumed: int
     def __init__(self, message: str, consumed: int) -> None: ...
 
 @coroutines.coroutine

stdlib/3/asyncio/subprocess.pyi

@@ -7,15 +7,15 @@ from typing import Any, Generator, List, Optional, Text, Tuple, Union, IO
 
 __all__: List[str]
 
-PIPE = ...  # type: int
-STDOUT = ...  # type: int
-DEVNULL = ...  # type: int
+PIPE: int
+STDOUT: int
+DEVNULL: int
 
 class SubprocessStreamProtocol(streams.FlowControlMixin,
                                protocols.SubprocessProtocol):
-    stdin = ...  # type: Optional[streams.StreamWriter]
-    stdout = ...  # type: Optional[streams.StreamReader]
-    stderr = ...  # type: Optional[streams.StreamReader]
+    stdin: Optional[streams.StreamWriter]
+    stdout: Optional[streams.StreamReader]
+    stderr: Optional[streams.StreamReader]
     def __init__(self, limit: int, loop: events.AbstractEventLoop) -> None: ...
     def connection_made(self, transport: transports.BaseTransport) -> None: ...
     def pipe_data_received(self, fd: int, data: Union[bytes, Text]) -> None: ...
@@ -24,10 +24,10 @@ class SubprocessStreamProtocol(streams.FlowControlMixin,
 
 
 class Process:
-    stdin = ...  # type: Optional[streams.StreamWriter]
-    stdout = ...  # type: Optional[streams.StreamReader]
-    stderr = ...  # type: Optional[streams.StreamReader]
-    pid = ...  # type: int
+    stdin: Optional[streams.StreamWriter]
+    stdout: Optional[streams.StreamReader]
+    stderr: Optional[streams.StreamReader]
+    pid: int
     def __init__(self,
                  transport: transports.BaseTransport,
                  protocol: protocols.BaseProtocol,