Fix on group_by dict based reimplemenattion
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@ -313,7 +313,7 @@ class OrderQuerySet(models.QuerySet):
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commit = options.get('commit', True)
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for account, services in qs.group_by('account', 'service').iteritems():
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bill_lines = []
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for service, orders in services:
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for service, orders in services.iteritems():
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lines = service.handler.generate_bill_lines(orders, account, **options)
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bill_lines.extend(lines)
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if commit:
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@ -21,6 +21,7 @@ def group_by(qset, *fields):
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group = group[current]
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except KeyError:
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group[current] = OrderedDict()
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group = group[current]
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else:
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try:
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group[current].append(obj)
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