configurable bot token

feeds/models.py

@@ -3,8 +3,8 @@ from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelatio
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.utils import timezone
-from picklefield import PickledObjectField
 from telebot import TeleBot
+from yamlfield.fields import YAMLField
 
 from feeds.tasks import execute_feed
 
@@ -15,7 +15,7 @@ class Feed(models.Model):
     chat_id = models.CharField(max_length=33)
     check_interval = models.DurationField(help_text='in seconds')
     last_check = models.DateTimeField(null=True, blank=True)
-    last_id = PickledObjectField(null=True, blank=True)
+    last_id = YAMLField(null=True, blank=True)
     lock = models.BooleanField(default=False)
 
     config_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)