Code cleanup

app/library/views/api.py

@@ -35,14 +35,13 @@ class WorkExportView(EnsembleMixin, WorkMixin, View):
 
 from interface.views import AuthorizedResourceMixin
 
-from rest_framework import routers, serializers, viewsets
+from rest_framework import serializers
 from rest_framework.exceptions import APIException
 
 from library.models import Collection, Work, Document, Section, WorkMeta
 
 
 import requests
-from io import BytesIO
 import urllib
 import shutil
 import os.path