AttributeError: 'Marshmallow' object has no attribute 'ModelSchema'
class UserSchema(ma.SQLAlchemyAutoSchema):
class Meta:
model=User
load_instance=True
AttributeError: 'Marshmallow' object has no attribute 'ModelSchema'
class UserSchema(ma.SQLAlchemyAutoSchema):
class Meta:
model=User
load_instance=True
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