new_contents: def execute():
  	import webnotes
  	from webnotes.modules import reload_doc
  	reload_doc('accounts', 'doctype', 'sales_invoice')
  	
  	webnotes.conn.sql("update `tabSales Invoice` set recurring_type = 'Monthly' where ifnull(convert_into_recurring_invoice, 0) = 1")
subject: set recurring type as Monthly in all old sales invoice