Get group fix,flake8 errors fix,readme and config fix
diff --git a/cvp_checks/tests/test_ntp_sync.py b/cvp_checks/tests/test_ntp_sync.py
index b900e12..09b323f 100644
--- a/cvp_checks/tests/test_ntp_sync.py
+++ b/cvp_checks/tests/test_ntp_sync.py
@@ -17,9 +17,10 @@
'cmd.run',
['date +%s'],
expr_form='compound')
+ diff = config.get(testname)["time_deviation"] or 30
for node, time in nodes_time.iteritems():
- if (int(time) - saltmaster_time) > config.get(testname)["time_deviation"] or \
- (int(time) - saltmaster_time) < -config.get(testname)["time_deviation"]:
+ if (int(time) - saltmaster_time) > diff or \
+ (int(time) - saltmaster_time) < -diff:
fail[node] = time
assert not fail, 'SaltMaster time: {}\n' \