hivemind/dht/dht.py: handle BlockingIOError while waiting for msg on _inner_pipe.rev()

for `method, args, kwargs = self._inner_pipe.recv()` exceptions being caught don't handle
`BlockingIOError`. This is important to be included in the list of exceptions being handled
because sometimes the resources aren't available and you just want a retry

Signed-off-by: 0xnightwind <nightwind1899@gmail.com>

Author: 0xnightwind

hivemind/dht/dht.py

@@ -126,7 +126,7 @@ async def _run():
                     continue
                 try:
                     method, args, kwargs = self._inner_pipe.recv()
-                except (OSError, ConnectionError, RuntimeError) as e:
+                except (OSError, ConnectionError, RuntimeError, BlockingIOError) as e:
                     logger.exception(e)
                     await asyncio.sleep(self._node.protocol.wait_timeout)
                     continue