Support HF_TOKEN environment variable in huggingface_provider.py

.env.sample

@@ -18,7 +18,7 @@ GOOGLE_REGION=
 GOOGLE_PROJECT_ID=
 
 # Hugging Face token 
-HUGGINGFACE_TOKEN=
+HF_TOKEN=
 
 # Fireworks
 FIREWORKS_API_KEY=

aisuite/providers/huggingface_provider.py

@@ -19,10 +19,10 @@ def __init__(self, **config):
         The token is fetched from the config or environment variables.
         """
         # Ensure API key is provided either in config or via environment variable
-        self.token = config.get("token") or os.getenv("HUGGINGFACE_TOKEN")
+        self.token = config.get("token") or os.getenv("HF_TOKEN")
         if not self.token:
             raise ValueError(
-                "Hugging Face token is missing. Please provide it in the config or set the HUGGINGFACE_TOKEN environment variable."
+                "Hugging Face token is missing. Please provide it in the config or set the HF_TOKEN environment variable."
             )
 
         # Optionally set a custom timeout (default to 30s)

guides/huggingface.md

@@ -18,7 +18,7 @@ After setting up your model, you'll need to gather the following information:
 Set the following environment variables to make authentication and requests easy:
 
 ```shell
-export HUGGINGFACE_TOKEN="your-api-token"
+export HF_TOKEN="your-api-token"
 ```
 
 ## Create a Chat Completion