The problem was a line "if self.productseries is not None:" in POTemplate.translation_side. It made the ORM fetch self.productseries. We can fix it by evaluating the foreign-key attribute instead.
The problem was a line "if self.productseries is not None:" in POTemplate. translation_ side. It made the ORM fetch self.productseries. We can fix it by evaluating the foreign-key attribute instead.