sign release with OpenSSL.crypto.sign (last remaining use of ed25519)

oml/nodes.py

@@ -14,14 +14,12 @@ import os
 import time
 
 import ox
-import ed25519
 from tornado.ioloop import PeriodicCallback
 
 import settings
 import user.models
 from changelog import Changelog
 
-import directory
 from websocket import trigger_event
 from localnodes import LocalNodes
 from tor_request import get_opener
@@ -126,6 +124,8 @@ class Node(Thread):
 
 
     def migrate_id(self):
+        import directory
+        import ed25519
         key = self.user_id.encode()
         vk = ed25519.VerifyingKey(key, encoding=ENCODING)
         try: