class_docstr: A bottom-up parser for ``PCFG`` grammars that tries edges in whatever order.
class_docstr_tok: ["A","bottom-up","parser","for","``","PCFG","``","grammars","that","tries","edges","in","whatever","order","."]
code: def sort_queue(self, queue, chart):
      return
  
imports: import random
  from functools import reduce
  from nltk.grammar import PCFG, Nonterminal
  from nltk.parse.api import ParserI
  from nltk.parse.chart import AbstractChartRule, Chart, LeafEdge, TreeEdge
  from nltk.tree import ProbabilisticTree, Tree
label_desc: Use image node_id 1 for calling the UnsortedChartParser obj's underlying member method code with example usage: obj.sort_queue(queue, chart) without return types