Fix internal error when parametrizing using and empty list of ids()

Fix #1849
2016-08-23 18:14:15 -03:00
parent 7538680c98
commit df200297e2
3 changed files with 33 additions and 2 deletions
@@ -936,7 +936,7 @@ def _idval(val, argname, idx, idfn, config=None):
    return str(argname)+str(idx)

 def _idvalset(idx, valset, argnames, idfn, ids, config=None):
-    if ids is None or ids[idx] is None:
+    if ids is None or (idx >= len(ids) or ids[idx] is None):
        this_id = [_idval(val, argname, idx, idfn, config)
                   for val, argname in zip(valset, argnames)]
        return "-".join(this_id)