OSError: [Errno 13] Permission denied

[jicman]

Hi all!

I am trying the following command:
os.chdir(path)
file0 = 'file.log'
file1 = 'file.his'
os.rename(file0,file1)

I am getting:

    os.rename(logname,newname)
OSError: [Errno 13] Permission denied

I am able to do this manually in the python interpreter.

I am running W2000 and I don't know what is w