diff --git a/meshtastic/observable.py b/meshtastic/observable.py
index 0d06a73..d57330c 100644
--- a/meshtastic/observable.py
+++ b/meshtastic/observable.py
@@ -10,7 +10,7 @@ class Event:
 
     def __getattr__(self, name: str) -> typing.Any:
         """We dynamically add attributes to this class, so stub out __getattr__ so that mypy doesn't complain."""
-        pass
+
 
 class Observable:
     """A class that represents an observable object.
diff --git a/meshtastic/powermon/__init__.py b/meshtastic/powermon/__init__.py
index d83d496..d8b4104 100644
--- a/meshtastic/powermon/__init__.py
+++ b/meshtastic/powermon/__init__.py
@@ -1 +1,3 @@
-from .riden import *
\ No newline at end of file
+"""Support for logging from power meters/supplies."""
+
+from .riden import *
diff --git a/meshtastic/powermon/riden.py b/meshtastic/powermon/riden.py
index 41b82cd..8d7c131 100644
--- a/meshtastic/powermon/riden.py
+++ b/meshtastic/powermon/riden.py
@@ -55,4 +55,3 @@ class RidenPowerSupply(PowerSupply):
         """Get the current watt-hour reading."""
         self.r.update()
         return self.r.wh
-