fixed config path

router_backend.py

@@ -14,6 +14,7 @@ Example return formats:
 - (12.5, 45.0, 22.5, 20.0)
 """
 import torch
+import pathlib
 import numpy as np
 import torch.nn.functional as F
 from transformers import AutoTokenizer, AutoModelForCausalLM, AutoConfig
@@ -191,7 +192,10 @@ def build_model(model_id: str, hf_token: str, use_cache: bool = True):
     model_path, base_model, model_class = get_model_path(model_id)
 
     model_config = AutoConfig.from_pretrained(base_model, use_auth_token=hf_token)
-    model_config.config_path = f"configs/{model_id}.yml"
+
+    parent_path = pathlib.Path(__file__).parent
+
+    model_config.config_path = f"{parent_path}/configs/{model_id}.yml"
 
     model_config.torch_dtype = torch.bfloat16
     model_config.use_bfloat16 = True