Drop accidentally added whitespaces in asyncio internals (GH-31900)

Author: asvetlov

Lib/asyncio/selector_events.py

@@ -485,7 +485,7 @@ async def sock_recvfrom_into(self, sock, buf, nbytes=0):
             raise ValueError("the socket must be non-blocking")
         if not nbytes:
             nbytes = len(buf)
-          
+
         try:
             return sock.recvfrom_into(buf, nbytes)
         except (BlockingIOError, InterruptedError):