move config import into get_device_id function

core/src/storage/device.py

@@ -4,7 +4,6 @@ from ubinascii import hexlify
 
 import storage.cache
 from storage import common
-from trezor import config
 
 if TYPE_CHECKING:
     from trezor.enums import BackupType
@@ -84,10 +83,12 @@ def _new_device_id() -> str:
 
 
 def get_device_id() -> str:
+    import trezorconfig
+
     dev_id = common.get(_NAMESPACE, DEVICE_ID, public=True)
     if not dev_id:
         dev_id = _new_device_id().encode()
-        config.unlock("", None)
+        trezorconfig.unlock("", None)
         common.set(_NAMESPACE, DEVICE_ID, dev_id, public=True)
     return dev_id.decode()