Update app.py

app.py

@@ -10,6 +10,17 @@ from langchain.chains import LLMChain
 from langchain_community.embeddings import HuggingFaceEmbeddings
 from langchain.schema import Document
 print("start2")
+
+wheel_file = "llama_cpp_python-0.3.4-cp310-cp310-win_amd64.whl"
+
+# Check if already installed to avoid reinstalling
+try:
+    import llama_cpp
+    print("llama_cpp already installed.")
+except ImportError:
+    print("Installing llama_cpp from wheel...")
+    subprocess.check_call([sys.executable, "-m", "pip", "install", wheel_file])
+
 from llama_cpp import Llama
 print("start3")
 import warnings