Fix for cnos.py utility file for Python3.5 (#21750)

* fix in cnos.py utility file

* fix compile errors in cnos.py, update module short description in cnos_vlan.py, move vlan roles under integration/roles

* corrections in readme

* Change module directory name to Lenovo

* change import cnos statement

lib/ansible/module_utils/cnos.py

@@ -3118,7 +3118,7 @@ def enterEnableModeForDevice(enablePassword, timeout, obj):
     flag = False
     retVal = ""
     count = 5
-    while (flag is False):
+    while not flag:
         # If wait time is execeeded.
         if(count == 0):
             flag = True
@@ -3168,7 +3168,7 @@ def waitForDeviceResponse(command, prompt, timeout, obj):
     obj.send(command)
     flag = False
     retVal = ""
-    while (flag is False):
+    while not flag:
         time.sleep(1)
         try:
             buffByte = obj.recv(9999)
@@ -3179,7 +3179,10 @@ def waitForDeviceResponse(command, prompt, timeout, obj):
             if(gotit != -1):
                 flag = True
         except:
-            retVal = retVal + "\n Error-101"
+            if prompt != "(yes/no)?":
+                retVal = retVal + "\n Error-101"
+            else:
+                retVal = retVal
             flag = True
     return retVal
 # EOM

lib/ansible/modules/network/lenovo/cnos_vlan.py

@@ -30,7 +30,7 @@ ANSIBLE_METADATA = {'status': ['preview'],
 DOCUMENTATION = '''
 ---
 module: cnos_vlan
-short_description: Performs VLAN switch configuration and state management.
+short_description: Manage VLAN resources and attributes on devices running Lenovo CNOS
 description:
     - This module allows you to work with VLAN related configurations. The
      operators used are overloaded to ensure control over switch VLAN
@@ -196,7 +196,7 @@ import time
 import re
 
 try:
-    import cnos
+    from ansible.module_utils import cnos
     HAS_LIB = True
 except:
     HAS_LIB = False