update error message for wrong argument type

spulec · May 22, 2013 · 67257ea · 67257ea
1 parent e1efae4
commit 67257ea
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/freezegun/api.py b/freezegun/api.py
@@ -187,7 +187,7 @@ def freeze_time(time_to_freeze, tz_offset=0):
         string_type = str
 
     if not isinstance(time_to_freeze, string_type):
-        raise TypeError(('freeze_time() expected a string '
-                         'but got type %s.') % type(time_to_freeze))
+        raise TypeError(('freeze_time() expected a string, date instance, or '
+                         'datetime instance, but got type {0}.').format(time_to_freeze))
 
     return _freeze_time(time_to_freeze, tz_offset)