get_args: don't verify config path prematurely; realpath it for better readability

bazarr/get_args.py

@@ -11,8 +11,8 @@ parser = argparse.ArgumentParser()
 def get_args():
     parser.register('type', bool, strtobool)
 
-    config_dir = os.path.join(os.path.dirname(__file__), '../data/')
-    parser.add_argument('-c', '--config', default=config_dir, type=arghelper.extant_dir, metavar="DIR",
+    config_dir = os.path.realpath(os.path.join(os.path.dirname(__file__), '..', 'data'))
+    parser.add_argument('-c', '--config', default=config_dir, type=str, metavar="DIR",
                         dest="config_dir", help="Directory containing the configuration (default: %s)" % config_dir)
     parser.add_argument('--no-update', default=False, type=bool, const=True, metavar="BOOL", nargs="?",
                         help="Disable update functionality (default: False)")