run lint and fix errors, except mypy

libp2p/protocol_muxer/multiselect_communicator_interface.py

@@ -1,10 +1,15 @@
-from abc import ABC, abstractmethod
+from abc import (
+    ABC,
+    abstractmethod,
+)
 
 
 class IMultiselectCommunicator(ABC):
-    """Communicator helper class that ensures both the client and multistream
+    """
+    Communicator helper class that ensures both the client and multistream
     module will follow the same multistream protocol, which is necessary for
-    them to work."""
+    them to work.
+    """
 
     @abstractmethod
     async def write(self, msg_str: str) -> None: