Update app.py

app.py

@@ -131,7 +131,8 @@ def draw_mass_spectrum(peak_data_path):
 
 dataset_repo = "Tingxie/CSU-MS2-DB"
 db_filename = "csu_ms2_db.db"
-db_path = hf_hub_download(repo_id=dataset_repo, filename=db_filename, repo_type="dataset", use_auth_token=True)
+token = os.getenv("HF_TOKEN")
+db_path = hf_hub_download(repo_id=dataset_repo, filename=db_filename, repo_type="dataset", use_auth_token=token)
 conn = sqlite3.connect(db_path, check_same_thread=False)
 
 device='cpu'