Update app.py

app.py

@@ -146,8 +146,8 @@ if st.session_state.target_file is not None:
         for lib_name, lib_key in libraries.items():
             with st.spinner(f"Test en cours : **{lib_name}**..."):
                 # Choix de la fonction selon la source
-                if st.session_state.target_file == "uploaded_file":
-                    # Fichier uploadé : utiliser le buffer
+                if st.session_state.target_file == "uploaded_file" and st.session_state.uploaded_buffer is not None:
+                    # Fichier uploadé : passer directement l'objet uploaded_file
                     load_time, row_count = load_from_buffer(st.session_state.uploaded_buffer, lib_key, st.session_state.file_ext, read_kwargs)
                 else:
                     # Fichier de test : utiliser le chemin