#NEWLINE# def merge( self ) : #NEWLINE# #INDENT# '\n        Merge the contained schemas into one.\n        @return: The merged schema.\n        @rtype: L{Schema}\n        ' #NEWLINE# if len ( self ) : #NEWLINE# #INDENT# schema = schema . children [ 0 ] #NEWLINE# for s in self . children [ 1 : ] : #NEWLINE# #INDENT# schema . merge ( s ) #NEWLINE# #UNINDENT# return schema #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# return None