fix: resolve pylint warnings

gunicorn/ctl/cli.py

@@ -230,7 +230,7 @@ def format_all(data: dict) -> str:
     return "\n".join(lines)
 
 
-def format_response(command: str, data: dict) -> str:
+def format_response(command: str, data: dict) -> str:  # pylint: disable=too-many-return-statements
     """
     Format response data based on command.
 

gunicorn/ctl/client.py

@@ -19,7 +19,6 @@ from gunicorn.ctl.protocol import (
 
 class ControlClientError(Exception):
     """Control client error."""
-    pass
 
 
 class ControlClient:

gunicorn/ctl/handlers.py

@@ -210,7 +210,6 @@ class CommandHandlers:
 
             # Try to get socket family
             try:
-                import socket
                 sock = lnr.sock
                 if sock.family == socket.AF_UNIX:
                     listener_info["type"] = "unix"
@@ -523,8 +522,6 @@ class CommandHandlers:
         Returns:
             List of dirty worker info dicts, or empty list on error
         """
-        import socket
-
         # Get socket path from arbiter object or environment
         dirty_socket_path = None
         if hasattr(self.arbiter, 'dirty_arbiter') and self.arbiter.dirty_arbiter:

gunicorn/ctl/protocol.py

@@ -26,7 +26,6 @@ import struct
 
 class ProtocolError(Exception):
     """Protocol-level error."""
-    pass
 
 
 class ControlProtocol:

gunicorn/ctl/server.py

@@ -204,7 +204,7 @@ class ControlSocketServer:
                 self.arbiter.log.exception("Command error")
             return make_error_response(request_id, f"Command failed: {e}")
 
-    def _execute_command(self, parts: list) -> dict:
+    def _execute_command(self, parts: list) -> dict:  # pylint: disable=too-many-return-statements
         """
         Execute a parsed command.
 

gunicorn/dirty/protocol.py

@@ -573,7 +573,7 @@ class BinaryProtocol:
         sock.sendall(data)
 
     @staticmethod
-    def _encode_from_dict(message: dict) -> bytes:
+    def _encode_from_dict(message: dict) -> bytes:  # pylint: disable=too-many-return-statements
         """
         Encode a message dict to binary format.