Update app.py

app.py

@@ -13,7 +13,7 @@ def homework01_solution1(K, X1, X2):
                 [6.0, 3.0], [7.0, 4.0]])
   y = np.array([2.9,4.2,5.8,3.2,8.9,9.2,7.4,8.2])
 
-        
+  import pandas as pd
   train_data = pd.DataFrame(X, columns=['X1', 'X2'])
   train_data['Label (Y)'] = y