def get_pdf_data(target_source):
    raise NotImplementedError("PDF to text conversion is not implemented yet")
    # with open(pdf_file, 'wb') as file:
    #     file.write(pdf_file)
    #
    # reader = PdfReader(pdf_file)
    # text = []
    #
    # for page in reader.pages:
    #     text.append(page.extract_text())
    #
    # return "\n".join(text)
