record.py

import sounddevice as sd
import soundfile as sf

samplerate = 16000  
duration = 1 # seconds
filename = 'yes.wav'
print("start")
mydata = sd.rec(int(samplerate * duration), samplerate=samplerate,
    channels=1, blocking=True)
print("end")
sd.wait()
sf.write(filename, mydata, samplerate)

Sir, I am getting error in this line:
mydata = sd.rec(int(samplerate * duration), samplerate=samplerate,
channels=1, blocking=True)
PortAudioError: Error querying device -1
How to solve this. Please help me

i keep getting the same error @sahanagiri have you solved it ?