Fix lint errors

Author: uvchik

windpowerlib/__init__.py

@@ -2,11 +2,9 @@
 __license__ = "MIT"
 __version__ = "0.2.1dev"
 
-from windpowerlib.wind_turbine import (
-    WindTurbine,
-    get_turbine_types,
-    create_power_curve,
-)
+from windpowerlib.wind_turbine import WindTurbine
+from windpowerlib.wind_turbine import get_turbine_types
+from windpowerlib.wind_turbine import create_power_curve
 from windpowerlib.wind_farm import WindFarm
 from windpowerlib.wind_turbine_cluster import WindTurbineCluster
 from windpowerlib.modelchain import ModelChain

windpowerlib/wind_turbine.py

@@ -427,7 +427,7 @@ def create_power_curve(wind_speed, power):
     -------
     pandas.DataFrame
     """
-    return pd.DataFrame(data={"value": power, "wind_speed": wind_speed,})
+    return pd.DataFrame(data={"value": power, "wind_speed": wind_speed})
 
 
 def load_turbine_data_from_oedb(schema="supply", table="wind_turbine_library"):