#!usr/bin/env python
#coding=utf-8

import pyaudio
import numpy as np
import soundfile as sf

audio = pyaudio.PyAudio()
stream = audio.open(format=pyaudio.paFloat32,
                         channels=2,
                         rate=48000,
                         output=True,
                         )

with open('piano2.wav', 'r') as f:
	 while True:
		dataa, samplerate = sf.read(f)
		data = dataa.astype(np.float32).tostring()
		stream.write(data)
##################################################################################

C:\Python27\eqso>aanikoe.py
  File "C:\Python27\eqso\aanikoe.py", line 16
    while 1 < 2
              ^
SyntaxError: invalid syntax

C:\Python27\eqso>aanikoe.py
Traceback (most recent call last):
  File "C:\Python27\eqso\aanikoe.py", line 17, in <module>
    dataa, samplerate = sf.read(f)
  File "C:\Python27\lib\site-packages\soundfile.py", line 373, in read
    subtype, endian, format, closefd) as f:
  File "C:\Python27\lib\site-packages\soundfile.py", line 740, in __init__
    self._file = self._open(file, mode_int, closefd)
  File "C:\Python27\lib\site-packages\soundfile.py", line 1265, in _open
    "Error opening {0!r}: ".format(self.name))
  File "C:\Python27\lib\site-packages\soundfile.py", line 1455, in _error_check
    raise RuntimeError(prefix + _ffi.string(err_str).decode('utf-8', 'replace'))
RuntimeError: Error opening <open file 'piano2.wav', mode 'r' at 0x000000000AF464B0>: File contains data in an unknown format.