Update app.py

app.py

@@ -1,3 +1,34 @@
+import os
+import subprocess
+import sys
+
+# Function to install missing dependencies
+def install_dependencies():
+    try:
+        # Check if langchain is installed
+        import langchain
+    except ImportError:
+        # Install langchain if not found
+        print("Installing langchain...")
+        subprocess.check_call([sys.executable, "-m", "pip", "install", "langchain"])
+    try:
+        # Check if other dependencies are installed
+        import streamlit
+        import fastapi
+        import requests
+        import datasets
+        import pinecone
+        import sentence_transformers
+        import dotenv
+        import PIL
+    except ImportError as e:
+        # Install missing dependencies
+        print(f"Installing missing dependency: {e.name}")
+        subprocess.check_call([sys.executable, "-m", "pip", "install", e.name])
+
+# Install dependencies before proceeding
+install_dependencies()
+
 import os
 import requests
 import streamlit as st