Update app.py

app.py

@@ -51,6 +51,7 @@ def text_to_speech(text):
         output_file = temp_file.name
         with wave.open(f"{output_file}", "w") as fp:
             fp.setparams((1, 2, tts.get_sampling_rate(), len(samples), "NONE", "NONE"))
+            samples = np.ascontiguousarray(samples)
             fp.writeframes(samples)
     return output_file