[cmd] Fix bug due to the decorator... Fixed thanks to functools

command_line/cadbiom_cmd/cadbiom_cmd.py

@@ -28,6 +28,7 @@ from __future__ import print_function
 import argparse
 import os
 import sys
+from functools import wraps
 
 # Custom imports
 import cadbiom.commons as cm
@@ -37,7 +38,7 @@ LOGGER = cm.logger()
 
 def check_output_dir(function):
     """Decorator used process some arguments from argparse"""
-
+    @wraps(function)
     def modified_func(*args, **kwargs):
         """Fix paths in arguments (add trailing '/')"""
         output_dir = args[0]['output']