nits

lm_eval/models/vllm_causallms.py

@@ -81,11 +81,8 @@ please install vllm via `pip install lm-eval[vllm]` or `pip install -e .[vllm]`"
             self.model = LLM(**self.model_args)
         else:
             self.model_args["worker_use_ray"] = True
-        if tokenizer:
-            self.tokenizer = tokenizer
-        else:
         self.tokenizer = get_tokenizer(
-                pretrained,
+            tokenizer if tokenizer else pretrained,
             tokenizer_mode=tokenizer_mode,
             trust_remote_code=trust_remote_code,
             tokenizer_revision=tokenizer_revision,