[REF] 'document_extract_from_database': rename model

document_extract_from_database/model/__init__.py

@@ -19,5 +19,5 @@
 #
 #################################################################################
 
-from . import attachment
+from . import ir_attachment
 from . import document_multiple_action

document_extract_from_database/model/attachment.py → document_extract_from_database/model/ir_attachment.py

@@ -23,7 +23,7 @@ from openerp.osv import orm
 import base64
 
 
-class document_file(orm.Model):
+class ir_attachment(orm.Model):
     _inherit = 'ir.attachment'
 
     def _write_again(self, cr, uid, id, context=None):