diff --git a/aprsd/packets/filter.py b/aprsd/packets/filter.py
index 152366b..93eeb32 100644
--- a/aprsd/packets/filter.py
+++ b/aprsd/packets/filter.py
@@ -1,16 +1,16 @@
 import logging
-from typing import Callable, Protocol, runtime_checkable, Union, Dict
+from typing import Callable, Dict, Protocol, Union, runtime_checkable
 
 from aprsd.packets import core
 from aprsd.utils import singleton
 
-LOG = logging.getLogger("APRSD")
+LOG = logging.getLogger('APRSD')
 
 
 @runtime_checkable
 class PacketFilterProtocol(Protocol):
-    """Protocol API for a packet filter class.
-    """
+    """Protocol API for a packet filter class."""
+
     def filter(self, packet: type[core.Packet]) -> Union[type[core.Packet], None]:
         """When we get a packet from the network.
 
@@ -22,20 +22,23 @@ class PacketFilterProtocol(Protocol):
 
 @singleton
 class PacketFilter:
-
     def __init__(self):
         self.filters: Dict[str, Callable] = {}
 
     def register(self, packet_filter: Callable) -> None:
         if not isinstance(packet_filter, PacketFilterProtocol):
-            raise TypeError(f"class {packet_filter} is not a PacketFilterProtocol object")
+            raise TypeError(
+                f'class {packet_filter} is not a PacketFilterProtocol object'
+            )
 
         if packet_filter not in self.filters:
             self.filters[packet_filter] = packet_filter()
 
     def unregister(self, packet_filter: Callable) -> None:
         if not isinstance(packet_filter, PacketFilterProtocol):
-            raise TypeError(f"class {packet_filter} is not a PacketFilterProtocol object")
+            raise TypeError(
+                f'class {packet_filter} is not a PacketFilterProtocol object'
+            )
         if packet_filter in self.filters:
             del self.filters[packet_filter]
 
@@ -51,8 +54,12 @@ class PacketFilter:
         for packet_filter in self.filters:
             try:
                 if not self.filters[packet_filter].filter(packet):
-                    LOG.debug(f"{self.filters[packet_filter].__class__.__name__} dropped {packet.__class__.__name__}:{packet.human_info}")
+                    LOG.debug(
+                        f'{self.filters[packet_filter].__class__.__name__} dropped {packet.__class__.__name__}:{packet.human_info}'
+                    )
                     return None
             except Exception as ex:
-                LOG.error(f"{packet_filter.__clas__.__name__} failed filtering packet {packet.__class__.__name__} : {ex}")
+                LOG.error(
+                    f'{packet_filter.__class__.__name__} failed filtering packet {packet.__class__.__name__} : {ex}'
+                )
         return packet