Update app/main_IO.py

app/main_IO.py

@@ -63,8 +63,10 @@ def reset_session_state_on_upload():
             st.session_state[key] = default_val
 
 
-# Define model path - check multiple possible locations
 def get_model_path(EMBEDDING_MODEL):
+    # Define root_path within the function
+    root_path = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+    
     # Try local model first (relative to current script)
     local_model_path = os.path.join(os.path.dirname(__file__), "chromadb_model")