fix tpo

tests/test_ntp.py

@@ -44,7 +44,7 @@ if os.path.isfile('../utils.py'):
         for l in d.split('\n'):
             if l.startswith(ntpconf_expected):
                 servers.append(l.split(ntpconf_expected)[1])
-        if not '%s%s' % (nfpconf_expected, NTP_SERVER) in d:
+        if not '%s%s' % (ntpconf_expected, NTP_SERVER) in d:
             print('Expected NTP server %s not found in %s, found %s instead' % (NTP_SERVER, ntpconf, servers))
             sys.exit(1)
         else: