Add some more type hinting

main.py

@@ -6,7 +6,7 @@ import argparse
 
 from src import parser_factory
 
-def __check_file(filename:str, mode=os.R_OK) -> bool:
+def __check_file(filename:str, mode:int = os.R_OK) -> bool:
     if not os.path.isfile(filename):
         print("[-] %s is not a regular file." % filename)
         return False
@@ -53,7 +53,6 @@ def clean_meta(filename:str):
 def main():
     args = create_arg_parser().parse_args()
 
-
     if args.show:
         for f in args.files:
             show_meta(f)