fixing bug

app.py

@@ -18,6 +18,7 @@ from huggingface_hub import CommitScheduler
 REPO_ID = "ai-gero/ProtoBind-Diff"
 MODEL_FILENAME = "model.ckpt"
 TOKENIZER_FILENAME = "tokenizer_smiles_diffusion.json"
+Request = gr.Request
 
 @spaces.GPU(duration=120) 
 def generate_smiles_for_sequence(protein_sequence: str, num_samples: int, request: Request):
@@ -78,7 +79,7 @@ scheduler = CommitScheduler(
     repo_type="dataset",
     folder_path=str(LOG_FOLDER),
     every=300,
-    token=os.getenv("HF_TOKEN")         
+    token=os.getenv("HF_TOKEN")
 )
 
 # --- GRADIO APP DEFINITION ---