Update pages/HelvetiMap.py

pages/HelvetiMap.py

@@ -42,7 +42,7 @@ class PrintFormatControl(MacroElement):
             };
             printFormatControl.addTo({{ this._parent.get_name() }});
 
-            document.getElementById('apply-format').addEventListener('click', function() {
+            document.getElementById('apply-format').onclick = function() {
                 var format = document.getElementById('paper-format').value;
                 var scale = parseInt(document.getElementById('scale-input').value);
                 var center = {{ this._parent.get_name() }}.getCenter();
@@ -91,7 +91,7 @@ class PrintFormatControl(MacroElement):
                     [bounds[0][1], bounds[0][0]],
                     [bounds[1][1], bounds[1][0]]
                 ];
-            });
+            };
             {% endmacro %}
         """)