Fix some pep8-related issues

1 files changed, 5 insertions, 0 deletions

diff --git a/libmat/archive.py b/libmat/archive.py
index 61028ef..a662e61 100644
--- a/libmat/archive.py
+++ b/libmat/archive.py
@@ -47,6 +47,11 @@ class GenericArchiveStripper(parser.GenericParser):
         """
         return self.is_clean(list_unsupported=True)
 
+    def remove_all(self):
+        """ Virtual method to remove all compromising fields
+        """
+        raise NotImplementedError
+
 
 class ZipStripper(GenericArchiveStripper):
     """ Represent a zip file