More lint fixes

RFXtrx/__init__.py

@@ -1034,12 +1034,13 @@ def __init__(self, device, event_callback=None,
         self._sensors = {}
         self._status = None
         self._modes = modes
+        self._thread = threading.Thread(target=self._connect, daemon=True)
         self.event_callback = event_callback
         self.transport: RFXtrxTransport = transport_protocol(device)
 
     def connect(self, timeout=None):
+        """Connect to device."""
         self.transport.connect(timeout)
-        self._thread = threading.Thread(target=self._connect, daemon=True)
         self._thread.start()
         if not self._run_event.wait(timeout):
             self.close_connection()
@@ -1052,6 +1053,7 @@ def _connect(self):
             _LOGGER.info("Connection lost %s", exception)
         except Exception:
             _LOGGER.exception("Unexpected exception from transport")
+            raise
         finally:
             if self.event_callback and self._run_event.is_set():
                 self.event_callback(ConnectionLost())

RFXtrx/lowlevel.py

@@ -2278,7 +2278,7 @@ def load_receive(self, data):
                                   (data[10] << 8) + data[11])
             self.prodwatthours = ((data[12] * pow(2, 24)) + (data[13] << 16) +
                                   (data[14] << 8) + data[15])
-            self.tarif_num = (data[16] & 0x0f)
+            self.tarif_num = data[16] & 0x0f
             self.voltage = data[17] + 200
             self.currentwatt = (data[18] << 8) + data[19]
             self.state_byte = data[20]
@@ -2378,7 +2378,7 @@ def set_transmit(self, subtype, seqnbr, id1, id2, sound):
         self.id2 = id2
         self.sound = sound
         self.rssi = 0
-        self.rssi_byte = (self.rssi << 4)
+        self.rssi_byte = self.rssi << 4
         self.data = bytearray([self.packetlength, self.packettype,
                                self.subtype, self.seqnbr,
                                self.id1, self.id2, self.sound,