added async sleep during key decryption

src/monstr/ident/keystore.py

@@ -1,3 +1,4 @@
+import asyncio
 from abc import ABC, abstractmethod
 import csv
 import logging
@@ -361,6 +362,7 @@ async def load(self, file_name: str = None):
                 # decrypt if required
                 if self._encrypter is not None:
                     k = await self._encrypter.decrypt_key(key_str)
+                    await asyncio.sleep(0.01)
                 else:
                     k = Keys.get_key(key_str)
 
@@ -410,6 +412,7 @@ async def _key_from_row(self, row) -> NamedKeys:
         # decrypt if required
         if self._encrypter is not None:
             k = await self._encrypter.decrypt_key(key_str)
+            await asyncio.sleep(0.01)
         else:
             k = Keys.get_key(key_str)