code: def writeSequence(self, iterable):
          
          try:
              alias = self.context.getClassAlias(iterable.__class__)
          except (AttributeError, pyamf.UnknownClassAlias):
              self.writeList(iterable)
  
              return
  
          if alias.external:
              # a is a subclassed list with a registered alias - push to the
              # correct method
              self.writeObject(iterable)
  
              return
  
          self.writeList(iterable)
docs: Encodes an iterable. The default is to write If the iterable has an al