black formatting

args.py

@@ -1,6 +1,7 @@
 import sys
 import logging
 
+
 def get_string_arg(args, required):
     """
     Take an array of element, take first element and return it stripped.
@@ -12,24 +13,26 @@ def get_string_arg(args, required):
     :return: The arg stripped
     """
     if not args:
-        print(f'Missing {required}')
+        print(f"Missing {required}")
         sys.exit(1)
 
     logging.debug(args)
     return args[0].strip()
 
+
 # TODO Move this function
-def arg_string(arg, required = ''):
+def arg_string(arg, required=""):
     # TODO To meld with get_string_args
-    if required and arg.startswith('-'):
-        print('required ', required)
-        sys.exit('1')
+    if required and arg.startswith("-"):
+        print("required ", required)
+        sys.exit("1")
     else:
         return arg.strip()
 
-def arg_number(arg, required = ''):
+
+def arg_number(arg, required=""):
     if not arg.isdigit():
-        print('Invalid value') # TODO
+        print("Invalid value")  # TODO
         sys.exit(1)
 
-    return int(arg)
+    return int(arg)