fix SyntaxError.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@16387 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/Assignment.py

@@ -49,7 +49,7 @@ class Assignment(Path):
   )
 
   _categories = ( # Career categories
-                , 'grade', 'role', 'skill', 'subordination', 'salary_level', 'product_line',
+                  'grade', 'role', 'skill', 'subordination', 'salary_level', 'product_line'
                   # Assignment and Career categories
                 , 'group', 'site', 'function', 'activity'
-                )
+                )
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