fixing token name

app.py

@@ -12,7 +12,8 @@ from transformers import AutoTokenizer
 from ddgs import DDGS
 import spaces  # Import spaces early to enable ZeroGPU support
 
-access_token=os.environ['HF_TOKEN']
+# Get Hugging Face token - works in both local and HF Spaces environments
+access_token = os.environ.get('HF_TOKEN') or os.environ.get('HUGGINGFACE_HUB_TOKEN') or None
 
 # Optional: Disable GPU visibility if you wish to force CPU usage
 # os.environ["CUDA_VISIBLE_DEVICES"] = ""
@@ -139,7 +140,7 @@ def load_pipeline(model_name):
         return PIPELINES[model_name]
     repo = MODELS[model_name]["repo_id"]
     tokenizer = AutoTokenizer.from_pretrained(repo,
-                token=access_token)
+                token=access_token if access_token else None)
     for dtype in (torch.bfloat16, torch.float16, torch.float32):
         try:
             pipe = pipeline(
@@ -150,7 +151,7 @@ def load_pipeline(model_name):
                 torch_dtype=dtype,
                 device_map="auto",
                 use_cache=False,      # ← disable past-key-value caching
-                token=access_token)
+                token=access_token if access_token else None)
             PIPELINES[model_name] = pipe
             return pipe
         except Exception: