Fix to check if has unit empty

dd2f1afd · Glaucia S. Santos · 6dd91cdd · dd2f1afd
Commit dd2f1afd authored Jan 08, 2021 by Glaucia S. Santos
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courses/stats/serializers.py courses/stats/serializers.py +1 -1

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--- a/courses/stats/serializers.py
+++ b/courses/stats/serializers.py
@@ -131,7 +131,7 @@ class ActionSerializer(serializers.ModelSerializer):
    def get_complements(self, obj):
        if obj.target:
-            if isinstance(obj.target, LearningObject):
+            if isinstance(obj.target, LearningObject) and obj.target.unit:
                unit = 'a atividade {}'.format(obj.target.unit.title)
                step = 'na etapa {}'.format(obj.target.unit.lesson.name)
                course = 'do curso {}'.format(obj.target.unit.lesson.course.name)