Merge pull request #40 from climatepolicyradar/bugfix/make-db-value-optional

Making db value optional.

Author: joel-wright

src/cpr_data_access/pipeline_general_models.py

@@ -91,7 +91,7 @@ class Update(BaseModel):
     """Results of comparing db state data against the s3 data to identify updates."""
 
     s3_value: Optional[Union[str, datetime, dict]]
-    db_value: Union[str, datetime, dict]
+    db_value: Optional[Union[str, datetime, dict]]
     type: UpdateTypes