Remove redundant gen_rev_uid.

django_etesync/migrations/0029_auto_20200312_1849.py

@@ -1,7 +1,11 @@
 # Generated by Django 3.0.3 on 2020-03-12 18:49
 
 from django.db import migrations
-from django_etesync.serializers import generate_rev_uid
+from django.utils.crypto import get_random_string
+
+
+def generate_rev_uid(length=32):
+    return get_random_string(length)
 
 
 def add_collection_main_item(apps, schema_editor):

django_etesync/serializers.py

@@ -17,17 +17,12 @@ import base64
 from django.core.files.base import ContentFile
 from django.contrib.auth import get_user_model
 from django.db import transaction
-from django.utils.crypto import get_random_string
 from rest_framework import serializers
 from . import models
 
 User = get_user_model()
 
 
-def generate_rev_uid(length=32):
-    return get_random_string(length)
-
-
 def process_revisions_for_item(item, revision_data):
     chunks_objs = []
     chunks = revision_data.pop('chunks_relation')