fix until arg processing (#1608)

lm_eval/models/huggingface.py

@@ -1163,7 +1163,7 @@ class HFLM(TemplateLM):
                 if "until" in kwargs.keys():
                     until = kwargs.pop("until")
                     if isinstance(until, str):
-                        until = [kwargs]
+                        until = [until]
                     elif not isinstance(until, list):
                         raise ValueError(
                             f"Expected `kwargs['until']` to be of type Union[str,list] but got {until}"

lm_eval/models/neuron_optimum.py

@@ -664,7 +664,7 @@ class NEURON_HF(TemplateLM):
                     if "until" in kwargs.keys():
                         until = kwargs.pop("until")
                         if isinstance(until, str):
-                            until = [kwargs]
+                            until = [until]
                         elif not isinstance(until, list):
                             raise ValueError(
                                 f"Expected `kwargs['until']` to be of type Union[str,list] but got {until}"