Don't inherit from object

freqtrade/configuration/arguments.py

@@ -44,7 +44,7 @@ ARGS_PLOT_PROFIT = ["pairs", "timerange", "export", "exportfilename", "db_url",
 NO_CONF_REQURIED = ["download-data", "plot-dataframe", "plot-profit"]
 
 
-class Arguments(object):
+class Arguments:
     """
     Arguments Class. Manage the arguments received by the cli
     """

freqtrade/configuration/configuration.py

@@ -22,7 +22,7 @@ from freqtrade.state import RunMode
 logger = logging.getLogger(__name__)
 
 
-class Configuration(object):
+class Configuration:
     """
     Class to read and init the bot configuration
     Reuse this class for the bot, backtesting, hyperopt and every script that required configuration