class_docstr: Exception indicating one or more requirements failures while attempting to build a pipeline.
  Contains a ProcessorRequirementsException list.
class_docstr_tok: ["Exception","indicating","one","or","more","requirements","failures","while","attempting","to","build","a","pipeline",".","Contains","a","ProcessorRequirementsException","list","."]
code: def processor_req_fails(self):
      return self._processor_req_fails
  
imports: import argparse
  import collections
  from enum import Enum
  import io
  import itertools
  import sys
  import logging
  import json
  import os
  from stanza.pipeline._constants import *
  from stanza.models.common.constant import langcode_to_lang
  from stanza.models.common.doc import Document
  from stanza.models.common.foundation_cache import FoundationCache
  from stanza.models.common.utils import default_device
  from stanza.pipeline.processor import Processor, ProcessorRequirementsException
  from stanza.pipeline.registry import NAME_TO_PROCESSOR_CLASS, PIPELINE_NAMES, PROCESSOR_VARIANTS
  from stanza.pipeline.langid_processor import LangIDProcessor
  from stanza.pipeline.tokenize_processor import TokenizeProcessor
  from stanza.pipeline.mwt_processor import MWTProcessor
  from stanza.pipeline.pos_processor import POSProcessor
  from stanza.pipeline.lemma_processor import LemmaProcessor
  from stanza.pipeline.constituency_processor import ConstituencyProcessor
  from stanza.pipeline.coref_processor import CorefProcessor
  from stanza.pipeline.depparse_processor import DepparseProcessor
  from stanza.pipeline.sentiment_processor import SentimentProcessor
  from stanza.pipeline.ner_processor import NERProcessor
  from stanza.resources.common import DEFAULT_MODEL_DIR, DEFAULT_RESOURCES_URL, DEFAULT_RESOURCES_VERSION, ModelSpecification, add_dependencies, add_mwt, download_models, download_resources_json, flatten_processor_list, load_resources_json, maintain_processor_list, process_pipeline_parameters, set_logging_level, sort_processors
  from stanza.resources.default_packages import PACKAGES
  from stanza.utils.helper_func import make_table
label_desc: Use image node_id 2 for calling the PipelineRequirementsException obj's underlying member method code with example usage: obj.processor_req_fails() and returns: self