REFAC: Fix import of os in test_admin.py

Author: IkeSalmonson

tests/test_admin.py

@@ -1,3 +1,5 @@
+import os
+
 import pytest
 from sqlmodel import select
 from sqlmodel.ext.asyncio.session import AsyncSession
@@ -11,7 +13,6 @@
 TEST_USERNAME = "test_user_crypto"
 TEST_EMAIL = "[email protected]"
 TEST_PASSWORD = "@SafePassword123"
-import os
 
 
 @pytest.mark.asyncio