code: def main():
      parser = argparse.ArgumentParser()
  
      parser.add_argument(
          "-d",
          "--directory",
          type=str,
          help="Path to the directory with documents",
          default="source_documents",
      )
  
      args = parser.parse_args()
  
      directory_path = args.directory
  
      print(f"🔮 Welcome to EvaDB! Ingesting data in `{directory_path}`")
  
      load_data(source_folder_path=directory_path)
  
      print(
          "🔥 Data ingestion complete! You can now run `privateGPT.py` to query your loaded data."
      )
  
imports: import argparse
  import os
  import evadb
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types