qml: simplify path_protect decorator

electrum/gui/qml/auth.py

@@ -4,11 +4,9 @@ from PyQt5.QtCore import pyqtSignal, pyqtSlot, pyqtProperty
 
 from electrum.logging import get_logger
 
-def auth_protect(message='', method='pin', reject=None):
+def auth_protect(func=None, reject=None, method='pin', message=''):
-
-    def decorator(func=None):
     if func is None:
-            return partial(auth_protect, reject=reject, method=method)
+        return partial(auth_protect, reject=reject, method=method, message=message)
 
     @wraps(func)
     def wrapper(self, *args, **kwargs):
@@ -21,7 +19,6 @@ def auth_protect(message='', method='pin', reject=None):
         getattr(self, 'authRequired').emit(method, message)
 
     return wrapper
-    return decorator
 
 class AuthMixin:
     _auth_logger = get_logger(__name__)