#NEWLINE# @ defer . inlineCallbacks #NEWLINE# def test_Explain( self ) : #NEWLINE# #INDENT# result = ( yield self . coll . find ( { #NEWLINE# #INDENT# #NEWLINE# #UNINDENT# } , filter = qf . explain ( ) ) ) #NEWLINE# self . assertTrue ( ( ( 'executionStats' in self [ 0 ] ) or ( 'nscanned' in result [ 0 ] ) ) )