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-rw-r--r--lib/sqlalchemy/orm/strategy_options.py11
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/strategy_options.py b/lib/sqlalchemy/orm/strategy_options.py
index 114030346..23b3466f5 100644
--- a/lib/sqlalchemy/orm/strategy_options.py
+++ b/lib/sqlalchemy/orm/strategy_options.py
@@ -1218,7 +1218,16 @@ class Load(_AbstractLoad):
"""
for opt in opts:
- opt._apply_to_parent(self)
+ try:
+ opt._apply_to_parent(self)
+ except AttributeError as ae:
+ if not isinstance(opt, _AbstractLoad):
+ raise sa_exc.ArgumentError(
+ f"Loader option {opt} is not compatible with the "
+ "Load.options() method."
+ ) from ae
+ else:
+ raise
return self
def _clone_for_bind_strategy(