diff --git a/main.py b/main.py
index 2c580f845d5557fbf685c6c133f7d78d032aa75c..c6b4b21e53832cc2686799d0e390ef3805251a3b 100644
--- a/main.py
+++ b/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)