BUG: Correct usage of any

src/caosdb/exceptions.py

@@ -187,7 +187,7 @@ class TransactionError(CaosDBException):
         """
 
         test_set = self.errors if direct_children_only else self.all_errors
-        return [isinstance(err, error_t) for err in test_set].any()
+        return any([isinstance(err, error_t) for err in test_set])
 
     def add_error(self, error):
         """Add an error as a direct child to this TransactionError.