class_docstr: Integration with the LlamaIndex data framework for LLM applications.
class_docstr_tok: ["Integration","with","the","LlamaIndex","data","framework","for","LLM","applications","."]
code: def create_validation(target, args=None, **kwargs):
      reader = args["using"].get("reader", None)
      if reader not in config.data_loaders:
          raise Exception(
              f"Invalid reader argument. Please use one of {config.data_loaders.keys()}"
          )
      config_dict = config.data_loaders[reader]
  
      missing_keys = [
          key for key in config_dict if key not in args["using"]
      ]
      if missing_keys:
          raise Exception(f"{reader} requires {missing_keys} arguments")
  
      if "prompt_template" in args["using"]:
          _validate_prompt_template(args["using"]["prompt_template"])
  
      if args["using"].get("mode") == "conversational":
          for param in ("user_column", "assistant_column"):
              if param not in args["using"]:
                  raise Exception(
                      f"Conversational mode requires {param} parameter"
                  )
  
imports: import os
  from typing import Optional, Dict
  import openai
  import pandas
  import llama_index
  from langchain.llms import OpenAI
  from llama_index.readers.schema.base import Document
  from llama_index.readers import SimpleWebPageReader
  from llama_index.prompts import PromptTemplate
  from llama_index import ServiceContext, StorageContext, load_index_from_storage
  from llama_index import LLMPredictor, OpenAIEmbedding
  from llama_index.indices.vector_store.base import VectorStore
  from llama_hub.github_repo import GithubClient, GithubRepositoryReader
  from llama_hub.youtube_transcript import YoutubeTranscriptReader, is_youtube_video
  from mindsdb.integrations.libs.base import BaseMLEngine
  from mindsdb.utilities.config import Config
  from mindsdb.utilities.security import is_private_url
  from mindsdb.integrations.handlers.llama_index_handler import config
  from mindsdb.integrations.handlers.llama_index_handler.github_loader_helper import _get_github_token, _get_filter_file_extensions, _get_filter_directories
  from mindsdb.integrations.utilities.handler_utils import get_api_key
label_desc: Use image node_id 2 for calling the LlamaIndexHandler obj's underlying member method code with example usage: obj.create_validation(target, args) without return types