moving excluded regions to a parameter variable

Author: tghoshnrel

electricitylci/generation_mix.py

@@ -361,15 +361,14 @@ def olcaschema_genmix(database, gen_dict, subregion=None):
     return generation_mix_dict
 
 
-def olcaschema_usaverage(database, gen_dict, subregion=None):
+def olcaschema_usaverage(database, gen_dict, subregion=None, excluded_regions = ['HIMS','HIOA','AKGD','AKMS']):
     if subregion is None:
         subregion = model_specs.regional_aggregation
     generation_mix_dict = {}
     # croppping the database according to the current fuel being considered
     #Not choosing the Hawaiian and Alaskan regions.   
     us_database = create_generation_mix_process_df_from_egrid_ref_data(subregion='US')
-    #Not choosing the Hawaiian and Alaskan regions. 
-    excluded_regions = ['HIMS','HIOA','AKGD','AKMS']
+    #Not choosing the Hawaiian and Alaskan regions.  
     us_database=us_database.loc[~us_database["Subregion"].isin(excluded_regions),:]
     df2 = us_database.groupby(['FuelCategory'])['Electricity'].agg('sum').reset_index()
     df2['Electricity_fuel_total'] = df2['Electricity']