SarifResult class should not be abstract

Author: drdavella

src/codemodder/result.py

@@ -96,7 +96,7 @@ class SASTResult(Result):
 
 
 @dataclass(frozen=True, kw_only=True)
-class SarifResult(SASTResult, ABCDataclass):
+class SarifResult(SASTResult):
     location_type: ClassVar[Type[SarifLocation]]
 
     @classmethod
@@ -122,9 +122,9 @@ def from_sarif(
         )
 
     @classmethod
-    @abstractmethod
-    def rule_url_from_id(cls, result: dict, run: dict, rule_id: str) -> str:
-        raise NotImplementedError
+    def rule_url_from_id(cls, result: dict, run: dict, rule_id: str) -> str | None:
+        del result, run, rule_id
+        return None
 
     @classmethod
     def extract_locations(cls, sarif_result) -> Sequence[Location]: