slow down deletion of conversation

gistfile1.txt

diff --git a/securedrop_client/api_jobs/sources.py b/securedrop_client/api_jobs/sources.py
index b1e4e81..1f2dfa7 100644
--- a/securedrop_client/api_jobs/sources.py
+++ b/securedrop_client/api_jobs/sources.py
@@ -47,6 +47,8 @@ class DeleteConversationJob(ApiJob):
         """
         try:
             api_client.delete_conversation(uuid=self.uuid)
+            import time
+            time.sleep(5)
             return self.uuid
         except (RequestTimeoutError, ServerConnectionError):
             raise