Cadmus detecting no audio in ubuntu 18.04

[aniruddha2000]

alsa_input.pci-0000_00_1f.3.analog-stereo /home/aniruddha/.cache/cadmus/librnnoise_ladspa.so Traceback (most recent call last): File "main.py", line 167, in File "main.py", line 150, in enable_noise_suppression File "main.py", line 38, in load_modules File "pulsectl/pulsectl.py", line 655, in module_load File "contextlib.py", line 88, in exit File "pulsectl/pulsectl.py", line 482, in _pulse_op_cb pulsectl.pulsectl.PulseOperationFailed: 2