first element of language taken

handler.py

@@ -83,7 +83,7 @@ class EndpointHandler:
             gpt_cond_latent=gpt_cond_latent,
             temperature=float(model_input["temperature"]),
             repetition_penalty=float(model_input["repetition_penalty"]),
-            language=model_input["language"],
+            language=model_input["language"][0],
             enable_text_splitting=True,
         )
         audio_file = io.BytesIO()