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def versionable_misc(self):
"""Get related versionable misc"""
return Misc.objects.filter(
orderstepmisc_misc=self,
version_start_date__lte=self.order_step.created_at
)
order_steps_misc = step.orderstepmisc_orderstep.filter(
is_calculation=True).select_related('misc').all()
misc = [val.versionable_misc() for val in order_steps_misc]
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