Update crawler_engine.py

crawler_engine.py

@@ -1,6 +1,6 @@
 from crawler import CodexCrawler
 
 def run_crawler(seed_urls, max_depth=2):
-    core = CodexCrawler(seed_urls, max_depth)
-    visited, graph = core.crawl()
+    crawler = CodexCrawler(seed_urls, max_depth)
+    visited, graph = crawler.crawl()
     return {"visited": list(visited.keys()), "graph": graph}