diff --git a/aprsd/packets/collector.py b/aprsd/packets/collector.py
index d092e5a..47c17a6 100644
--- a/aprsd/packets/collector.py
+++ b/aprsd/packets/collector.py
@@ -60,7 +60,6 @@ class PacketCollector:
             except Exception as e:
                 LOG.error(f"Error in monitor {name} (tx): {e}")
 
-
     def flush(self):
         """Call flush on the objects. This is used to flush out any data."""
         for name in self.monitors:
diff --git a/aprsd/packets/log.py b/aprsd/packets/log.py
index 5bddecd..3c2d522 100644
--- a/aprsd/packets/log.py
+++ b/aprsd/packets/log.py
@@ -101,7 +101,6 @@ def log(packet, tx: Optional[bool] = False, header: Optional[bool] = True) -> No
     if header:
         if tx:
             via_color = "red"
-            # arrow = f"<{via_color}>-></{via_color}>"
             arrow = f"<{via_color}>\u2192</{via_color}>"
             logit.append(
                 f"<red>TX\u2191</red> "
@@ -111,7 +110,6 @@ def log(packet, tx: Optional[bool] = False, header: Optional[bool] = True) -> No
             )
         else:
             via_color = "fg #1AA730"
-            #arrow = f"<{via_color}>-></{via_color}>"
             arrow = f"<{via_color}>\u2192</{via_color}>"
             f"<{via_color}><-</{via_color}>"
             logit.append(
diff --git a/aprsd/utils/__init__.py b/aprsd/utils/__init__.py
index b924ec3..e3ca433 100644
--- a/aprsd/utils/__init__.py
+++ b/aprsd/utils/__init__.py
@@ -175,18 +175,18 @@ def load_entry_points(group):
 
 
 def calculate_initial_compass_bearing(start, end):
-    if (type(start) != tuple) or (type(end) != tuple):
+    if (type(start) != tuple) or (type(end) != tuple):  # noqa: E721
         raise TypeError("Only tuples are supported as arguments")
 
     lat1 = math.radians(float(start[0]))
     lat2 = math.radians(float(end[0]))
 
-    diffLong = math.radians(float(end[1]) - float(start[1]))
+    diff_long = math.radians(float(end[1]) - float(start[1]))
 
-    x = math.sin(diffLong) * math.cos(lat2)
+    x = math.sin(diff_long) * math.cos(lat2)
     y = math.cos(lat1) * math.sin(lat2) - (
         math.sin(lat1)
-        * math.cos(lat2) * math.cos(diffLong)
+        * math.cos(lat2) * math.cos(diff_long)
     )
 
     initial_bearing = math.atan2(x, y)
@@ -202,17 +202,17 @@ def calculate_initial_compass_bearing(start, end):
 
 def degrees_to_cardinal(bearing, full_string=False):
     if full_string:
-        DIRECTIONS = [
+        directions = [
             "North", "North-Northeast", "Northeast", "East-Northeast", "East", "East-Southeast",
             "Southeast", "South-Southeast", "South", "South-Southwest", "Southwest", "West-Southwest",
             "West", "West-Northwest", "Northwest", "North-Northwest", "North",
         ]
     else:
-        DIRECTIONS = [
+        directions = [
             "N", "NNE", "NE", "ENE", "E", "ESE",
             "SE", "SSE", "S", "SSW", "SW", "WSW",
             "W", "WNW", "NW", "NNW", "N",
         ]
 
-    cardinal = DIRECTIONS[round(bearing / 22.5)]
+    cardinal = directions[round(bearing / 22.5)]
     return cardinal