Update tool.py

tool.py

@@ -1,3 +1,5 @@
+import os
+
 from smolagents import Tool
 from huggingface_hub import InferenceClient
 
@@ -8,7 +10,7 @@ class TextToImageTool(Tool):
     inputs = {"prompt": {"type": "string", "description": "The image generator prompt. Don't hesitate to add details in the prompt to make the image look better, like 'high-res, photorealistic', etc."}}
     output_type = "image"
     model_sdxl = "black-forest-labs/FLUX.1-schnell"
-    client = InferenceClient(model_sdxl)
+    client = InferenceClient(model_sdxl, token=os.environ["HF_TOKEN"])
 
 
     def forward(self, prompt):