diff --git a/aprsd/utils/counter.py b/aprsd/utils/counter.py
index ab3f73f4..4bcc3205 100644
--- a/aprsd/utils/counter.py
+++ b/aprsd/utils/counter.py
@@ -1,9 +1,12 @@
 import random
 import threading
+
 import wrapt
 
+
 MAX_PACKET_ID = 9999
 
+
 class PacketCounter:
     """
     Global Packet ID counter class.
@@ -48,4 +51,4 @@ def __repr__(self):
     @wrapt.synchronized(lock)
     def __str__(self):
         """String representation of the current value."""
-        return str(self._val)
\ No newline at end of file
+        return str(self._val)