fix linting issues

libp2p/__init__.py

@@ -35,7 +35,7 @@ def initialize_default_swarm(
     :param peerstore_opt: optional peerstore
     :return: return a default swarm instance
     """
-    # pylint: disable=too-many-arguments
+    # pylint: disable=too-many-arguments, unused-argument
     if not id_opt:
         new_key = RSA.generate(2048, e=65537)
         id_opt = id_from_public_key(new_key.publickey())

tests/libp2p/test_libp2p.py

@@ -2,7 +2,6 @@ import multiaddr
 import pytest
 
 from tests.utils import cleanup, set_up_nodes_by_transport_opt
-from libp2p import new_node
 from libp2p.peer.peerinfo import info_from_p2p_addr
 
 

tests/libp2p/test_notify.py

@@ -10,8 +10,11 @@ features are implemented in swarm
 """
 
 import pytest
+import multiaddr
 
-from tests.utils import *
+
+from tests.utils import cleanup, echo_stream_handler, \
+                        perform_two_host_set_up_custom_handler
 from libp2p import new_node, initialize_default_swarm
 from libp2p.network.notifee_interface import INotifee
 from libp2p.host.basic_host import BasicHost
@@ -39,11 +42,11 @@ class MyNotifee(INotifee):
     async def disconnected(self, network, conn):
         pass
 
-    async def listen(self, network, multiaddr):
+    async def listen(self, network, _multiaddr):
         self.events.append(["listened" + self.val_to_append_to_event,\
-            multiaddr])
+            _multiaddr])
 
-    async def listen_close(self, network, multiaddr):
+    async def listen_close(self, network, _multiaddr):
         pass
 
 class InvalidNotifee():

tests/protocol_muxer/test_protocol_muxer.py

@@ -1,7 +1,6 @@
 import pytest
 
 from tests.utils import cleanup, set_up_nodes_by_transport_opt
-from libp2p import new_node
 from libp2p.protocol_muxer.multiselect_client import MultiselectClientError
 
 # TODO: Add tests for multiple streams being opened on different