Update app.py

app.py

@@ -5,7 +5,7 @@ import tempfile
 import uuid
 from dotenv import load_dotenv
 from langchain_community.vectorstores import FAISS
-from langchain_community.embeddings import HuggingFaceInstructEmbeddings
+from langchain_community.embeddings import HuggingFaceInstructEmbeddings, HuggingFaceEmbeddings
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 import fitz  # PyMuPDF
 import base64
@@ -38,7 +38,8 @@ except Exception as e:
         )
     except Exception as e:
         print(f"Warning: Failed to load fallback embeddings model: {e}")
-        embeddings = None
+        # Use a simpler embeddings model as a fallback
+        embeddings = HuggingFaceEmbeddings()
 
 # Directory to store FAISS indexes
 FAISS_INDEX_DIR = "faiss_indexes_tech"
@@ -631,10 +632,9 @@ gr.HTML("""
 </div>
 """)
 
-# Launch the app with modern UI
+# Launch the app directly
 if __name__ == "__main__":
-    demo = create_interface()
-    demo.launch() 
+    demo.launch()
 
 # Add new helper functions
 def detect_language(extension):