code: fix missing mysql IntegrityError management

code/simplestblog/db_connectors/db_mysql.py

@@ -16,8 +16,11 @@ class MySQLDbConnector(db.DbConnector):
         self.cursor = self.connection.cursor(dictionary=True)
 
     def execute(self, sql, parameters=(), /):
-        self.cursor.execute(sql.replace('?', '%s'), parameters)
-        return self.cursor
+        try:
+            self.cursor.execute(sql.replace('?', '%s'), parameters)
+            return self.cursor
+        except mysql.connector.errors.IntegrityError:
+            raise db.DbConnector.IntegrityError
 
     def commit(self):
         self.connection.commit()

code/simplestblog/db_connectors/db_sqlite.py

@@ -15,7 +15,6 @@ class SqliteDbConnector(db.DbConnector):
     def execute(self, sql, parameters=(), /):
         try:
             return self.connection.execute(sql, parameters)
-
         except self.connection.IntegrityError:
             raise db.DbConnector.IntegrityError