Renaming of users in registration, profile and admin app.

passkey/util/querysafe.py

@@ -7,4 +7,5 @@ def assert_safe(value: str, *, field: str = "value") -> None:
     if not isinstance(value, str) or not value or not _SAFE_RE.match(value):
         raise ValueError(f"{field} must match ^[A-Za-z0-9:._~-]+$")
 
+
 __all__ = ["assert_safe"]