code: def set_is_regression_task(self, is_regression_task: bool):
      self.model_cfg.is_regression_task = is_regression_task
  
imports: from dataclasses import dataclass, field
  from typing import Any, Callable, List, Optional
  from omegaconf import MISSING
  from nemo.collections.asr.models.configs import classification_models_config
  from nemo.collections.asr.modules.audio_preprocessing import AudioToMFCCPreprocessorConfig, CropOrPadSpectrogramAugmentationConfig, SpectrogramAugmentationConfig
  from nemo.collections.asr.modules.conv_asr import ConvASRDecoderClassificationConfig, ConvASREncoderConfig, JasperEncoderConfig
  from nemo.core.config import modelPT
label_desc: Use image node_id 8 for calling the EncDecClassificationModelConfigBuilder obj's underlying member method code with example usage: obj.set_is_regression_task(is_regression_task) without return types