cosmetic

[nepi.git] / nepi / execution / attribute.py

diff --git a/nepi/execution/attribute.py b/nepi/execution/attribute.py
index df45bc9..df47793 100644 (file)
--- a/nepi/execution/attribute.py
+++ b/nepi/execution/attribute.py
@@ -61,8 +61,8 @@ class Attribute(object):
     """
 
     def __init__(self, name, help, type = Types.String,
-            flags = None, default = None, allowed = None,
-            range = None, set_hook = None):
+                 flags = None, default = None, allowed = None,
+                 range = None, set_hook = None):
         """
         :param name: Name of the Attribute
         :type name: str
@@ -178,8 +178,8 @@ class Attribute(object):
 
             self._value = value
         else:
-            raise ValueError("Invalid value %s for attribute %s" %
-                    (str(value), self.name))
+            raise ValueError("Invalid value {} for attribute {}"
+                             .format(value, self.name))
 
     value = property(get_value, set_value)