Fixed heapqueue.del for last elem (#5363)
Fixed heapqueue.del for last elem (#5363)


tulayang/Nim,russpowers/Nim,russpowers/Nim,dom96/Nim,tulayang/Nim,russpowers/Nim,tulayang/Nim,dom96/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,russpowers/Nim,dom96/Nim,tulayang/Nim,dom96/Nim,dom96/Nim,dom96/Nim,tulayang/Nim,dom96/Nim,tulayang/Nim