Exclude python-pyasn1 from check.

Exclude python-pyasn1 from check in case of SINGLE mode.

Fixes-bug: PROD-36718
Change-Id: I2356a1cb2047d3d4e3df24c94b0197ac3c4409cb
diff --git a/test_set/cvp-sanity/tests/test_packet_checker.py b/test_set/cvp-sanity/tests/test_packet_checker.py
index 2ffee03..ab7e5f3 100644
--- a/test_set/cvp-sanity/tests/test_packet_checker.py
+++ b/test_set/cvp-sanity/tests/test_packet_checker.py
@@ -174,7 +174,7 @@
     # defines modules specific to the nodes
     inconsistency_rule = {
         "I@elasticsearch:server": ["elasticsearch"],
-        # PROD-30833
+        # PROD-30833, PROD-36718
         "I@octavia:manager:controller_worker:loadbalancer_topology:SINGLE": [
             'octavia',
             'setproctitle',
@@ -198,7 +198,9 @@
             'jsonpointer',
             'gunicorn',
             'ipaddr',
-            'castellan'
+            'castellan',
+            'python-pyasn1',
+            'python3-pyasn1'
         ]
     }
     exclude_modules = utils.get_configuration().get("skipped_modules", [])