Merge branch 'master' into modbus-parser-dev

.gitignore

@@ -1 +1,2 @@
 *.pyc
+venv/

src/bleclient.py

@@ -185,4 +185,4 @@ class BleClient:
             "load_daily_energy": "kWh",
             "load_total_energy": "kWh",
         }
-        return unit_mapping.get(key, None)
+        return unit_mapping.get(key, None)