Update app.py

app.py

@@ -123,7 +123,7 @@ if uploaded_file is not None:
                     "Sigma (Blur Amount):",
                     0.1, 5.0, 2.0, step=0.1
                 )
-            elif method == "Savitzky-Golay":
+            elif smoothing_method == "Savitzky-Golay":
                 smoothing_params['window_size'] = st.slider(
                     "Window Size:",
                     3, 51, 5, step=2