code: def implany(self):
          
          if self.type is None and self.ref is None and self.root.isempty():
              self.type = self.anytype()
docs: Set the type to <xsd:any/> when implicit.
  
          An element has an implicit <xsd:any/> type when it has no body and no
          explicitly defined type.
  
          @return: self
          @rtype: L{Element}