Fix balance calc

apps/user/models.py

@@ -1,3 +1,6 @@
+from json import dumps
+from rest_framework.authtoken.models import Token
+
 from django.db import models
 from django.db.models.signals import post_save
 from django.dispatch import receiver
@@ -5,10 +8,8 @@ from django.contrib.auth.models import AbstractUser, UserManager
 from django.contrib.postgres import fields as pgfields
 from django.utils.translation import gettext_lazy as _
 
-from rest_framework.authtoken.models import Token
-
-from json import dumps
 from api.v1 import serializers
+from apps.payment.models import AuthorBalance
 
 
 class User(AbstractUser):
@@ -63,7 +64,7 @@ class User(AbstractUser):
 
     @property
     def balance(self):
-        aggregate = self.balances.aggregate(
+        aggregate = self.balances.filter(type=AuthorBalance.IN).aggregate(
             models.Sum('amount'),
             models.Sum('commission'),
         )