Fix flake8 for the existing code

libp2p/security/insecure_security.py

@@ -1,4 +1,4 @@
-from typing import TYPE_CHECKING, Any, Dict, cast
+from typing import TYPE_CHECKING, cast
 
 from libp2p.security.secure_conn_interface import ISecureConn
 from libp2p.security.secure_transport_interface import ISecureTransport
@@ -6,7 +6,6 @@ from libp2p.security.secure_transport_interface import ISecureTransport
 if TYPE_CHECKING:
     from libp2p.network.connection.raw_connection_interface import IRawConnection
     from libp2p.peer.id import ID
-    from .secure_conn_interface import ISecureConn
     from .typing import TSecurityDetails
 
 

libp2p/security/security_multistream.py

@@ -7,7 +7,6 @@ from libp2p.protocol_muxer.multiselect_client import MultiselectClient
 if TYPE_CHECKING:
     from libp2p.network.connection.raw_connection_interface import IRawConnection
     from libp2p.peer.id import ID
-    from .typing import TSecurityDetails
     from .secure_conn_interface import ISecureConn
     from .secure_transport_interface import ISecureTransport
 

libp2p/security/typing.py

@@ -1,3 +1,3 @@
-from typing import Any, Dict, NewType, TypeVar
+from typing import Dict, NewType
 
 TSecurityDetails = NewType("TSecurityDetails", Dict[str, str])

libp2p/transport/tcp/tcp.py

@@ -3,7 +3,6 @@ import asyncio
 import multiaddr
 
 from libp2p.network.connection.raw_connection import RawConnection
-from libp2p.peer.id import ID
 
 from ..listener_interface import IListener
 from ..transport_interface import ITransport

tests/examples/test_chat.py

@@ -1,9 +1,7 @@
 import asyncio
 
-import multiaddr
 import pytest
 
-from libp2p import new_node
 from libp2p.peer.peerinfo import info_from_p2p_addr
 from libp2p.protocol_muxer.multiselect_client import MultiselectClientError
 from tests.utils import cleanup, set_up_nodes_by_transport_opt

tests/pubsub/factories.py

@@ -1,5 +1,3 @@
-import functools
-
 import factory
 
 from libp2p import initialize_default_swarm