Fix bug

app.py

@@ -7,8 +7,8 @@ load_dotenv()
 from lang_list import TEXT_SOURCE_LANGUAGE_NAMES
 from gradio_client import Client
 
-HF_API = os.getenv("HF_API")
-API_URL = os.getenv("API_URL")  # path to Seamlessm4t API endpoint
+HF_API = os.environ["HF_API"]
+API_URL = os.envion["API_URL"]  # path to Seamlessm4t API endpoint
 
 DEFAULT_TARGET_LANGUAGE = "Western Persian"