Update travis to run new methods

.travis.yml

@@ -28,11 +28,11 @@ jobs:
       name: pytest
     - script:
       - cp config.json.example config.json
-      - freqtrade --datadir tests/testdata backtesting
+      - freqtrade backtesting --datadir tests/testdata
       name: backtest
     - script:
       - cp config.json.example config.json
-      - freqtrade --datadir tests/testdata hyperopt -e 5
+      - freqtrade hyperopt --datadir tests/testdata -e 5
       name: hyperopt
     - script: flake8
       name: flake8

freqtrade/utils.py

@@ -58,7 +58,7 @@ def start_list_exchanges(args: Dict[str, Any]) -> None:
               f"{', '.join(available_exchanges())}")
 
 
-def start_create_userdir(args: Dict[str, Any]) -> int:
+def start_create_userdir(args: Dict[str, Any]) -> None:
     """
     Create "user_data" directory to contain user data strategies, hyperopts, ...)
     :param args: Cli args from Arguments()

tests/test_arguments.py

@@ -1,10 +1,8 @@
 # pragma pylint: disable=missing-docstring, C0103
 import argparse
-import re
 
 import pytest
 
-from freqtrade import OperationalException
 from freqtrade.configuration import Arguments
 from freqtrade.configuration.cli_options import check_int_positive