Merge pull request #267 from dpineiden/patch-1

Update net_asyncio.py

Author: lsabi

rethinkdb/asyncio_net/net_asyncio.py

@@ -274,6 +274,7 @@ async def close(self, noreply_wait=False, token=None, exception=None):
             await self.run_query(noreply, False)
 
         self._streamwriter.close()
+        await self._streamwriter.wait_closed()
         # We must not wait for the _reader_task if we got an exception, because that
         # means that we were called from it. Waiting would lead to a deadlock.
         if self._reader_task and exception is None: