Update app.py

app.py

@@ -50,7 +50,7 @@ if st.button("Train Autoencoder"):
     x_test = x_test.astype('float32') / 255.0
 
     x_train = np.reshape(x_train, (-1, 784))  # Flatten to (None, 784)
-    x_test = np reshape(x_test, (-1, 784))
+    x_test = np.reshape(x_test, (-1, 784))
 
     # Save test set in session state
     st.session_state.x_test = x_test