Fix code spacing

Author: takluyver

tornado/asgi.py

@@ -9,13 +9,15 @@
 ReceiveCallable = Callable[[], Awaitable[dict]]
 SendCallable = Callable[[dict], Awaitable[None]]
 
+
 @dataclass
 class ASGIHTTPRequestContext:
     """To convey connection details to the HTTPServerRequest object"""
     protocol: str
     address: Optional[tuple] = None
     remote_ip: str = "0.0.0.0"
 
+
 class ASGIHTTPConnection(HTTPConnection):
     """Represents the connection for 1 request/response pair