Update src/eligibility_signposting_api/model/rules.py

Co-authored-by: Simon B <[email protected]>

Author: Karthikeyannhs

src/eligibility_signposting_api/model/rules.py

@@ -100,7 +100,7 @@ class IterationRule(BaseModel):
     operator: RuleOperator = Field(..., alias="Operator")
     comparator: RuleComparator = Field(..., alias="Comparator")
     attribute_target: RuleAttributeTarget | None = Field(None, alias="AttributeTarget")
-    rule_stop: RuleStop | None = Field(None, alias="RuleStop")
+    rule_stop: RuleStop = Field(RuleStop(False), alias="RuleStop")  # noqa: FBT003
 
     @field_validator("rule_stop", mode="before")
     def parse_yn_to_bool(cls, v: str | bool) -> bool:  # noqa: N805