[Samba] problem with samba 4

[Adil Al Balushi]

Dear Sir
I'm facing this problem with samba 4

[root at localhost ~]# /usr/local/samba/bin/samba-tool domain provision
Traceback (most recent call last):
  File "/usr/local/samba/bin/samba-tool", line 33, in <module>
    from samba.netcmd.main import cmd_sambatool
  File "/usr/local/samba/lib/python2.7/site-packages/samba/__init__.py",
line 27, in <module>
    import samba.param
ImportError: libpython2.7.so.1.0: cannot open shared object file: No such
file or directory

how to solve this problem?
which i know the python not installed properly, how to install it?

Regards
Adil