code: def validate_inputs(cls, text: Dict[str, Any]):
      assert len(text) > 0, "No inputs provided"
  
      for t in text.values():
          assert t is not None, "Cannot include None fields"
  
      return text
  
imports: from datetime import datetime
  from typing import Any, ClassVar, Dict, List, Optional, Union
  from argilla.server.commons.models import PredictionStatus, TaskStatus, TaskType
  from argilla.server.constants import DEFAULT_MAX_KEYWORD_LENGTH
  from argilla.server.helpers import flatten_dict
  from argilla.server.pydantic_v1 import BaseModel, Field, root_validator, validator
  from argilla.server.services.datasets import ServiceBaseDataset
  from argilla.server.services.search.model import ServiceBaseRecordsQuery, ServiceScoreRange
  from argilla.server.services.tasks.commons import ServiceBaseAnnotation, ServiceBaseRecord
label_desc: Use image node_id 10 for calling the ServiceTextClassificationRecord obj's underlying member method code with example usage: obj.validate_inputs(cls, text) and returns: text