[cli] convert, remove useless import.

bonobo/commands/convert.py

@@ -1,8 +1,6 @@
 import mimetypes
 import os
 
-import re
-
 import bonobo
 from bonobo.commands.util.arguments import parse_variable_argument
 
@@ -47,7 +45,6 @@ def resolve_factory(name, filename, factory_type, options=None):
 
     if options:
         options = dict(map(parse_variable_argument, options))
-
     else:
         options = dict()