Update app.py

app.py

@@ -27,6 +27,11 @@ import requests
 from datetime import datetime
 from io import BytesIO
 import os
+
+cache_dir = "/tmp/tiktoken_cache"  # or "~/tiktoken_cache"
+os.makedirs(cache_dir, exist_ok=True)
+os.environ["TIKTOKEN_CACHE_DIR"] = cache_dir
+
 os.environ["GROQ_API_KEY"] = "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"
 os.environ["TAVILY_API_KEY"] = "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"