# from .chapter_division import split_json
# from .scraper import web_scraping_tool
# from .tavily import search_engine_tool, is_recent
# from .scraper.scraper_crawlee import WebScrapingCrawleeTool
# from .scraper.scraper_bs4 import WebScrapingToolBS4
# from .scraper.scraper_built_in import pdf_tool, scraping_tool
# from .validate_url import URLValidatorTool
# from .scraper.no_agent.pdf_extractor import extract_pdf_content
# from .scraper.no_agent.bs4_scraper import scrape_with_bs4
# from .scraper.no_agent.crawlee_parse_scraper import crawl_parse_url
# from .scraper.no_agent.crawlee_bs_scraper import crawl_bs_url
from .searching_scraping_queries import (
    scrape_course,
    SerperExhaustedError,
    CURRENT_SERPER_INDEX,
)
from .quiz_runner import generate_quiz_for_course
from .ocr__units_service import extract_text_from_pdf