Update handler.py

handler.py

@@ -4,6 +4,7 @@ import torchaudio
 
 from huggingface_inference_toolkit.logging import logger
 import io
+import base64
 
 class EndpointHandler():
     def __init__(self, path=""):
@@ -47,5 +48,5 @@ class EndpointHandler():
         buffer = io.BytesIO()
         torchaudio.save(buffer, audio, 44100, format="wav")
         buffer.seek(0)
-        
-        return buffer.read()
+        audio_base64 = base64.b64encode(buffer.read()).decode('utf-8')
+        return audio_base64