Fix auto tokenizer relative import in auto map as a list for slow and fast.

config.json

@@ -12,7 +12,10 @@
   "auto_map": {
     "AutoConfig": "togethercomputer/evo-1-131k-base--configuration_hyena.StripedHyenaConfig",
     "AutoModelForCausalLM": "togethercomputer/evo-1-131k-base--modeling_hyena.StripedHyenaModelForCausalLM",
-    "AutoTokenizer": "togethercomputer/evo-1-131k-base--tokenizer.ByteTokenizer"
+    "AutoTokenizer": [
+      "togethercomputer/evo-1-131k-base--tokenizer.ByteTokenizer",
+      null
+    ]
   },
   "column_split": false,
   "column_split_hyena": true,