Unable to package from Windows

[cloudwaves]

I have installed the per-requesites... below is the error when packaging the source code.

Traceback (most recent call last): File "D:\Users\ABC\AppData\Roaming\Python\Scripts\sam-script.py", line 11, in load_entry_point('aws-sam-cli==0.6.0', 'console_scripts', 'sam')() File "c:\python27\lib\site-packages\click\core.py", line 722, in call return self.main(*args, **kwargs) File "c:\python27\lib\site-packages\click\core.py", line 697, in main rv = self.invoke(ctx) File "c:\python27\lib\site-packages\click\core.py", line 1066, in invoke return process_result(sub_ctx.command.invoke(sub_ctx)) File "c:\python27\lib\site-packages\click\core.py", line 895, in invoke return ctx.invoke(self.callback, **ctx.params) File "c:\python27\lib\site-packages\click\core.py", line 535, in invoke return callback(*args, **kwargs) File "c:\python27\lib\site-packages\click\decorators.py", line 64, in new_func return ctx.invoke(f, obj, *args[1:], **kwargs) File "c:\python27\lib\site-packages\click\core.py", line 535, in invoke return callback(*args, **kwargs) File "D:\Users\ABC\AppData\Roaming\Python\Python27\site-packages\samcli\commands\package_init.py", line 22, in cli do_cli(args) # pragma: no cover File "D:\Users\ABC\AppData\Roaming\Python\Python27\site-packages\samcli\commands\package_init_.py", line 26, in do_cli execute_command("package", args) File "D:\Users\ABC\AppData\Roaming\Python\Python27\site-packages\samcli\lib\samlib\cloudformation_command.py", line 17, in execute_command subprocess.check_call([aws_cmd, 'cloudformation', command] + list(args)) File "c:\python27\lib\subprocess.py", line 181, in check_call retcode = call(*popenargs, **kwargs) File "c:\python27\lib\subprocess.py", line 168, in call return Popen(*popenargs, **kwargs).wait() File "c:\python27\lib\subprocess.py", line 390, in init errread, errwrite) File "c:\python27\lib\subprocess.py", line 640, in _execute_child startupinfo) WindowsError: [Error 2] The system cannot find the file specified