fix

core/apps/contracts/serializers/contract.py

@@ -40,6 +40,7 @@ class ContractCreateSerializer(serializers.Serializer):
                 company=user,
                 folder=validated_data.get('folder'),
             )
+            
             return contract.id
 
 
@@ -58,4 +59,15 @@ class ContractDetailSerializer(serializers.ModelSerializer):
         model = Contract
         fields = [
             'id', 'name', 'file', 'status', 'contract_number', 'contract_sides',
-        ]
+        ]
+
+
+class ContractUpdateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Contract
+        fields = ['folder']
+
+    def update(self, instance, validated_data):
+        instance.folder = validated_data.get('folder', instance.folder)
+        instance.save()
+        return instance