Revize 8b049f43

Re #8578 - Updated certificate and certificate_repository
- certificate initialize revocation_date and revocation_reason on "" if input is None
- certificate_repository
- repaired error after tests
- edited comments (return)
- stylistics

src/model/certificate.py

@@ -27 +27 @@
         self.parent_id: int = parent_id
         self.usages: Dict[int, bool] = DICT_USAGES.copy()
 
+        if revocation_date is None:
+            self.revocation_date = ""
+
+        if revocation_reason is None:
+            self.revocation_reason = ""
+
         for usage_id, usage_value in usages.items():
             self.usages[usage_id] = usage_value