Update app.py

app.py

@@ -44,7 +44,10 @@ async def synthesize(request: Request):
     mel_output_base64 = plot_data([mel_output_data, mel_output_postnet_data, alignments_data])
 
     # Audio Synthesis begins
-    input_mel = np.create('mel1'+'.npy', mel_output_data)
+    buffer = BytesIO()
+    np.save(buffer, mel_output_data)
+    input_mel = buffer.getvalue()
+    
     hifigan_checkpoint="generator_v1"
     
     # Generate audio using Hifigan