simplify import error logic

Author: bookman-dius

README.md

@@ -19,7 +19,7 @@ relies on the PlugApi as well.
 There are also some small utilities included,`ps-plugevents` and `ps-rawplug`
 showcasing the use of the first interface approach, and `ps-events` the latter.
 .
-The `ps-events` is effectively a consumer of the the PowersensorDevices event
+The `ps-events` is effectively a consumer the PowersensorDevices event
 stream and dumps all events to standard out. Similary, `ps-plugevents` shows
 the event stream from a single plug (plus whatever it might be relaying for),
 and `ps-rawplug` shows the raw event stream from the plug. Note that the format

src/powersensor_local/devices.py

@@ -125,10 +125,10 @@ async def _plug_lost(self, mac: str) -> None:
     # Internal event routing
     # ------------------------------------------------------------------
 
-    async def _emit_if_subscribed(self, ev: str, obj: dict) -> None:
+    async def _emit_if_subscribed(self, ev: str, mac: str, obj: dict) -> None:
         if self._event_cb is None:
             return
-        device = self._devices.get(obj.get('mac'))
+        device = self._devices.get(mac)
         if device is not None and device.subscribed:
             obj['event'] = ev
             await self._event_cb(obj)
@@ -150,7 +150,7 @@ async def _reemit(self, ev: str, obj: dict[str, str]) -> None:
                 obj['event'] = ev
                 await self._event_cb(obj)
         else:
-            await self._emit_if_subscribed(ev, obj)
+            await self._emit_if_subscribed(ev, mac, obj)
 
     async def _add_device(self, mac: str, typ: str) -> None:
         if mac in self._devices: