diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42249dd..4116c16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## [1.2.0] - 2022-07-12
+## [1.2.0] - 2022-08-05
 ### NEW
 * Firmware version displayed on device details page.
 
diff --git a/src/airthings.py b/src/airthings.py
index 809b247..24c03c1 100644
--- a/src/airthings.py
+++ b/src/airthings.py
@@ -270,7 +270,7 @@ async def get_info(self):
                             _LOGGER.warning("Error getting {}".format(characteristic.name))
                     self.devices[mac] = device
                 else:
-                    raise "Could not connect to {}".format(mac)
+                   raise Exception("Could not connect to {}".format(mac))
             except Exception as e:
                 _LOGGER.exception("Error getting device info for {}: {}".format(mac, e))
             finally:
@@ -294,11 +294,11 @@ async def get_sensors(self):
                                 sensor_characteristics.append(characteristic)
                     self.sensors[mac] = sensor_characteristics
                 else:
-                    raise "Could not connect to {}".format(mac)
+                    raise Exception("Could not connect to {}".format(mac))
             except Exception as e:
                 _LOGGER.exception("Error getting sensors for {}: {}".format(mac, e))
             finally:
-                await self.disconnect()                            
+                await self.disconnect()
         
         return self.sensors
 
@@ -342,7 +342,7 @@ async def get_sensor_data(self):
                                 else:
                                     self.sensordata[mac].update(sensor_data)
                     else:
-                        raise "Could not connect to {}".format(mac)        
+                        raise Exception("Could not connect to {}".format(mac))
                 except Exception as e:
                     _LOGGER.exception("Error getting sensor data for '{}': {}".format(mac, e))