Update fixes for #1071,and add fix for #1085

Author: Your Name

sde_collections/admin.py

@@ -121,7 +121,6 @@ def import_candidate_urls_from_api_caller(modeladmin, request, queryset, server_
         collection_ids=list(queryset.values_list("id", flat=True)),
         server_name=server_name,
     )
-    collection_names = ", ".join(queryset.values_list("name", flat=True))
     messages.add_message(
         request,
         messages.INFO,

sde_collections/tasks.py

@@ -3,7 +3,6 @@
 import shutil
 
 import boto3
-import requests
 from django.apps import apps
 from django.conf import settings
 from django.core import management