code: def remove_reader(self, fd):
          " Stop watching the file descriptor for read availability. "
          h = msvcrt.get_osfhandle(fd)
          if h in self._read_fds:
              del self._read_fds[hf remove_reader(self, fd):
          " Stop watching the file descriptor for read availability. "
          h = msvcrt.get_osfhandle(fd)
          if h in self._read_fds:
              del self._read_fds[h]
docs: Stop watching the file descriptor for read availability.