facing a issue with

[irfan95sayyad]

C:\ProgramData\anaconda3\python.exe "C:\Users\irfan\OneDrive\Desktop\image enhancement\DE-GAN-master\enhance.py"
Traceback (most recent call last):
File "C:\Users\irfan\OneDrive\Desktop\image enhancement\DE-GAN-master\enhance.py", line 15, in
task = sys.argv[1]
~~~~~~~~^^^
IndexError: list index out of range

Process finished with exit code 1

can anyone tell me how to solve this?