class_docstr: Exception indicating a processor's requirements will not be met 
class_docstr_tok: ["Exception","indicating","a","processor","'s","requirements","will","not","be","met"]
code: def __str__(self):
      return self.message
  
imports: from abc import ABC, abstractmethod
  from stanza.models.common.doc import Document
  from stanza.pipeline.registry import NAME_TO_PROCESSOR_CLASS, PIPELINE_NAMES, PROCESSOR_VARIANTS
label_desc: Use image node_id 7 for calling the ProcessorRequirementsException obj's underlying member method code with example usage: obj.__str__() and returns: self