Update app.py

app.py

@@ -1,5 +1,16 @@
+import subprocess
+import sys
+
+def install(package):
+    subprocess.check_call([sys.executable, "-m", "pip", "install", package])
+
+# Install required libraries
+for package in ["litellm", "gradio", "datasets", "rank_bm25", "sentence-transformers"]:
+    try:
+        __import__(package)
+    except ImportError:
+        install(package)
 
-!pip install litellm gradio datasets rank_bm25
 from litellm import completion
 import os