diff --git a/examples/1-basic-concepts/understanding-data-part-1/python.bpmn b/examples/1-basic-concepts/understanding-data-part-1/python.bpmn
index dde8db2c..7f5539f6 100644
--- a/examples/1-basic-concepts/understanding-data-part-1/python.bpmn
+++ b/examples/1-basic-concepts/understanding-data-part-1/python.bpmn
@@ -128,6 +128,8 @@ if x is not None:  # GOOD
 def add_one(input):
     return input + 1
 
+size = "medium"
+
 # Creating Variables
 age = 51 # This is an integer
 height = 1.93 # This is a float or "floating point number"
@@ -359,6 +361,9 @@ Because we wanted to show that footnotes end up at the very end of the page, not
     </bpmn:manualTask>
     <bpmn:sequenceFlow id="Flow_0dwam7u" sourceRef="Activity_1urrvze" targetRef="Event_16l8zdp" />
     <bpmn:businessRuleTask id="Activity_1urrvze">
+      <bpmn:extensionElements>
+        <spiffworkflow:calledDecisionId>decision_1</spiffworkflow:calledDecisionId>
+      </bpmn:extensionElements>
       <bpmn:incoming>Flow_19uhs80</bpmn:incoming>
       <bpmn:outgoing>Flow_0dwam7u</bpmn:outgoing>
     </bpmn:businessRuleTask>
@@ -386,9 +391,9 @@ Because we wanted to show that footnotes end up at the very end of the page, not
         <dc:Bounds x="830" y="-10" width="100" height="80" />
       </bpmndi:BPMNShape>
       <bpmndi:BPMNShape id="Event_16l8zdp_di" bpmnElement="Event_16l8zdp">
-        <dc:Bounds x="1112" y="12" width="36" height="36" />
+        <dc:Bounds x="1142" y="12" width="36" height="36" />
       </bpmndi:BPMNShape>
-      <bpmndi:BPMNShape id="Activity_1mbncim_di" bpmnElement="Activity_1urrvze">
+      <bpmndi:BPMNShape id="Activity_0ibsyfq_di" bpmnElement="Activity_1urrvze">
         <dc:Bounds x="980" y="-10" width="100" height="80" />
       </bpmndi:BPMNShape>
       <bpmndi:BPMNEdge id="Flow_0bngcu2_di" bpmnElement="Flow_0bngcu2">
@@ -417,7 +422,7 @@ Because we wanted to show that footnotes end up at the very end of the page, not
       </bpmndi:BPMNEdge>
       <bpmndi:BPMNEdge id="Flow_0dwam7u_di" bpmnElement="Flow_0dwam7u">
         <di:waypoint x="1080" y="30" />
-        <di:waypoint x="1112" y="30" />
+        <di:waypoint x="1142" y="30" />
       </bpmndi:BPMNEdge>
     </bpmndi:BPMNPlane>
   </bpmndi:BPMNDiagram>