installation error?

[martinpihrt]

root@opensprinkler:/home/pi/OSPy# python setup.py install
Checking web
web not available, do you want to install it? [y/yes/n/no]
y
Traceback (most recent call last):
File "setup.py", line 145, in
'https://github.com/webpy/webpy.git', [sys.executable, 'setup.py', 'install'])
File "setup.py", line 41, in install_package
subprocess.check_call(['easy_install', easy_install])
File "/usr/lib/python2.7/subprocess.py", line 506, in check_call
retcode = call(_popenargs, *_kwargs)
File "/usr/lib/python2.7/subprocess.py", line 493, in call
return Popen(_popenargs, *_kwargs).wait()
File "/usr/lib/python2.7/subprocess.py", line 679, in init
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1259, in _execute_child
raise child_exception
OSError: [Errno 2] No such file or directory

thanks for help with installation new version Martin