Migrate cvp-sanity to Python3

* use print function from future
* convert dict keys and values to list
* do not use bunch imports
* fix requirements mismatch
Related: PROD-33849

Change-Id: Ifecc3a9dcdcfe3243f7dcf2c709a80e9a7c765a1
(cherry picked from commit e32e3f9ea37a24da5365dcef2a13609057b61923)
diff --git a/test_set/cvp-sanity/conftest.py b/test_set/cvp-sanity/conftest.py
index 72e0359..d03edfa 100644
--- a/test_set/cvp-sanity/conftest.py
+++ b/test_set/cvp-sanity/conftest.py
@@ -1,4 +1,24 @@
-from fixtures.base import *
+from builtins import str
+import pytest
+from fixtures.base import (
+    print_node_version,
+    check_cicd,
+    check_kfg,
+    check_kdt,
+    contrail,
+    check_cinder_backends,
+    check_grafana,
+    check_kibana,
+    check_alerta,
+    check_prometheus,
+    check_openstack,
+    check_ironic,
+    check_drivetrain,
+    check_openstack,
+    ctl_nodes_pillar,
+    nodes_in_group,
+    local_salt_client,
+    add_testname_to_saltapi_logs,)
 import logging