using stack info in logging

src/delta_barth/errors.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import traceback
 import typing as t
 from collections.abc import Callable
 from functools import wraps
@@ -239,12 +238,9 @@ def wrap_result(
                 status = ResultWrapper(
                     result=NotSet(), exception=err, code_on_error=code_on_error
                 )
-                fmt_exc = traceback.format_exception(err)
-                exc_str = "".join(fmt_exc)
                 logger.error(
-                    "An exception in routine %s occurred:\n%s",
+                    "An exception in routine %s occurred, stack trace:",
                     func.__name__,
-                    exc_str,
                     stack_info=True,
                 )