No audio devices found, stopping

[ChanJeff123]

pi@raspberrypi:/pymusic $ python3 multi.py
Discovered the following .wav files: ['/home/pi/pymusic/1.wav', '/home/pi/pymusic/2.wav', '/home/pi/pymusic/dfsd.wav']
Files loaded into memory, Looking for USB devices.
Discovered the following usb sound devices []
No audio devices found, stopping
Bye.
pi@raspberrypi:/pymusic $ lsusb
Bus 001 Device 008: ID 8086:0808 Intel Corp.
Bus 001 Device 007: ID 8086:0808 Intel Corp.
Bus 001 Device 006: ID 214b:7250
Bus 001 Device 009: ID 8086:0808 Intel Corp.
Bus 001 Device 005: ID 0424:7800 Standard Microsystems Corp.
Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
pi@raspberrypi:~/pymusic $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Device_1 [USB PnP Sound Device], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Device [USB PnP Sound Device], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: Device_2 [USB PnP Sound Device], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0

I got some problem？does anyone fix this?