Update app.py

app.py

@@ -52,10 +52,16 @@ from smolagents import CodeAgent, HfApiModel, tool
 from rank_bm25 import BM25Okapi
 import nltk
 
-try:
-    nltk.data.find("tokenizers/punkt")
-except LookupError:
-    nltk.download("punkt")
+import os
+import shutil
+
+# Step 1: Remove existing corrupted punkt data
+nltk_data_path = os.path.join(nltk.data.path[0], "tokenizers", "punkt")
+if os.path.exists(nltk_data_path):
+    shutil.rmtree(nltk_data_path)  # Remove corrupted version
+
+# Step 2: Download punkt again
+nltk.download("punkt")
 
 @tool  # Register the function properly as a SmolAgents tool
 def fetch_latest_arxiv_papers(keywords: list, num_results: int = 5) -> list: