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-rw-r--r--lib/sqlalchemy/util.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/util.py b/lib/sqlalchemy/util.py
index 37dfeb211..ba6458f2a 100644
--- a/lib/sqlalchemy/util.py
+++ b/lib/sqlalchemy/util.py
@@ -579,7 +579,7 @@ def deprecated(func, add_deprecation_to_docstring=True):
warnings.warn(logging.SADeprecationWarning("Call to deprecated function %s" % func.__name__),
stacklevel=2)
return func(*args, **kwargs)
- func_with_warning.__doc__ = (add_deprecation_to_docstring and 'Deprecated.\n' or '') + func.__doc__
+ func_with_warning.__doc__ = (add_deprecation_to_docstring and 'Deprecated.\n' or '') + str(func.__doc__)
func_with_warning.__dict__.update(func.__dict__)
try:
func_with_warning.__name__ = func.__name__