diff --git a/agent_based/inv_cisco_wlc_aps_lwap.py b/agent_based/inv_cisco_wlc_aps_lwap.py
index 97253c46e68fbf8a4d595026b3c8111ec2e135a3..79642b9c9a99b141b63ebdd546144f712c43b82f 100644
--- a/agent_based/inv_cisco_wlc_aps_lwap.py
+++ b/agent_based/inv_cisco_wlc_aps_lwap.py
@@ -14,15 +14,6 @@
 # 2018-09-04 : changes for CMK 1.5.x (inv_tree --> inv_tree_list)
 # 2021-07-11 : rewritten for CMK 2.0
 
-import re
-import time
-import binascii
-from typing import List, NamedTuple
-
-from cmk.base.plugins.agent_based.agent_based_api.v1 import (
-    OIDEnd,
-    OIDBytes,
-)
 from cmk.base.plugins.agent_based.agent_based_api.v1 import (
     register,
     SNMPTree,
@@ -35,187 +26,187 @@ from cmk.base.plugins.agent_based.agent_based_api.v1.type_defs import (
 )
 
 _last_reboot_reason = {
-    0: 'none',
-    1: 'dot11gModeChange',
-    2: 'ipAddressSet',
-    3: 'ipAddressReset',
-    4: 'rebootFromController',
-    5: 'dhcpFallbackFail',
-    6: 'discoveryFail',
-    7: 'noJoinResponse',
-    8: 'denyJoin',
-    9: 'noConfigResponse',
-    10: 'configController',
-    11: 'imageUpgradeSuccess',
-    12: 'imageOpcodeInvalid',
-    13: 'imageCheckSumInvalid',
-    14: 'imageDataTimeout',
-    15: 'configFileInvalid',
-    16: 'imageDownloadError',
-    17: 'rebootFromConsole',
-    18: 'rapOverAir',
-    19: 'powerLow',
-    20: 'crash',
-    21: 'powerHigh',
-    22: 'powerLoss',
-    23: 'powerChange',
-    24: 'componentFailure',
-    25: 'watchdog',
+    '0': 'none',
+    '1': 'dot11gModeChange',
+    '2': 'ipAddressSet',
+    '3': 'ipAddressReset',
+    '4': 'rebootFromController',
+    '5': 'dhcpFallbackFail',
+    '6': 'discoveryFail',
+    '7': 'noJoinResponse',
+    '8': 'denyJoin',
+    '9': 'noConfigResponse',
+    '10': 'configController',
+    '11': 'imageUpgradeSuccess',
+    '12': 'imageOpcodeInvalid',
+    '13': 'imageCheckSumInvalid',
+    '14': 'imageDataTimeout',
+    '15': 'configFileInvalid',
+    '16': 'imageDownloadError',
+    '17': 'rebootFromConsole',
+    '18': 'rapOverAir',
+    '19': 'powerLow',
+    '20': 'crash',
+    '21': 'powerHigh',
+    '22': 'powerLoss',
+    '23': 'powerChange',
+    '24': 'componentFailure',
+    '25': 'watchdog',
 }
 
 _enable_disable = {
-    0: 'N/A',
-    1: 'enabled',
-    2: 'disabled',
+    '0': 'N/A',
+    '1': 'enabled',
+    '2': 'disabled',
 }
 
 _failover_pirority = {
-    0: 'N/A',
-    1: 'low',
-    2: 'medium',
-    3: 'high',
-    4: 'critical',
+    '0': 'N/A',
+    '1': 'low',
+    '2': 'medium',
+    '3': 'high',
+    '4': 'critical',
 }
 
 _power_status = {
-    0: 'N/A',
-    1: 'low',
-    2: '15.4W',
-    3: '16.8W',
-    4: 'full',
-    5: 'external',
-    6: 'mixedmode',
+    '0': 'N/A',
+    '1': 'low',
+    '2': '15.4W',
+    '3': '16.8W',
+    '4': 'full',
+    '5': 'external',
+    '6': 'mixedmode',
 }
 
 _pwr_injector_selection = {
-    0: 'N/A',
-    1: 'unknown',
-    2: 'installed',
-    3: 'override',
+    '0': 'N/A',
+    '1': 'unknown',
+    '2': 'installed',
+    '3': 'override',
 }
 
 _monitor_mode_optimization = {
-    0: 'N/A',
-    1: 'all',
-    2: 'tracking',
-    3: 'wips',
-    4: 'none',
+    '0': 'N/A',
+    '1': 'all',
+    '2': 'tracking',
+    '3': 'wips',
+    '4': 'none',
 }
 
 _encryption_supported = {
-    0: 'N/A',
-    1: 'yes',
-    2: 'no',
+    '0': 'N/A',
+    '1': 'yes',
+    '2': 'no',
 }
 
 _inet_address_type = {
-    0: 'N/A',
-    1: 'ipv4',
-    2: 'ipv6',
-    3: 'ipv4z',
-    4: 'ipv6z',
-    16: 'dns',
+    '0': 'N/A',
+    '1': 'ipv4',
+    '2': 'ipv6',
+    '3': 'ipv4z',
+    '4': 'ipv6z',
+    '16': 'dns',
 }
 
 _antenna_band_mode = {
-    0: 'N/A',
-    1: 'not applicable',
-    2: 'single',
-    3: 'dual',
+    '0': 'N/A',
+    '1': 'not applicable',
+    '2': 'single',
+    '3': 'dual',
 }
 
 _venueconfigvenuegroup = {
-    0: 'N/A',
-    1: 'unspecified',
-    2: 'assembly',
-    3: 'business',
-    4: 'educational',
-    5: 'factory and industrial',
-    6: 'institutional',
-    7: 'mercantile',
-    8: 'residential',
-    9: 'storage',
-    10: 'utility and misc',
-    11: 'vehicular',
-    12: 'outdoor',
+    '0': 'N/A',
+    '1': 'unspecified',
+    '2': 'assembly',
+    '3': 'business',
+    '4': 'educational',
+    '5': 'factory and industrial',
+    '6': 'institutional',
+    '7': 'mercantile',
+    '8': 'residential',
+    '9': 'storage',
+    '10': 'utility and misc',
+    '11': 'vehicular',
+    '12': 'outdoor',
 }
 
 _venueconfigvenuetype = {
-    0: 'N/A',
-    1: 'unspecified',
-    2: 'unspecified assembly',
-    3: 'arena',
-    4: 'stadium',
-    5: 'passenger terminal',
-    6: 'amphitheater',
-    7: 'amusement park',
-    8: 'place of worship',
-    9: 'convention center',
-    10: 'library',
-    11: 'museum',
-    12: 'restaurant',
-    13: 'theater',
-    14: 'bar',
-    15: 'coffee shop',
-    16: 'zoo or aquarium',
-    17: 'emergency coordination center',
-    18: 'unspecified business',
-    19: 'doctor or dentist office',
-    20: 'bank',
-    21: 'firestation',
-    22: 'policestation',
-    23: 'postoffice',
-    24: 'professional office',
-    25: 'research and development facility',
-    26: 'attorney office',
-    27: 'unspecified educational',
-    28: 'school primary',
-    29: 'school secondary',
-    30: 'university or college',
-    31: 'unspecified factory and industrial',
-    32: 'factory',
-    33: 'unspecified institutional',
-    34: 'hospital',
-    35: 'longterm carefacility',
-    36: 'alcohol and drug rehabilitation center',
-    37: 'group home',
-    38: 'prison or jail',
-    39: 'unspecified mercantile',
-    40: 'retail store',
-    41: 'grocery market',
-    42: 'auomotive service station',
-    43: 'shoppin gmall',
-    44: 'gas station',
-    45: 'unspecified residential',
-    46: 'privat eresidence',
-    47: 'hotel or motel',
-    48: 'dormitory',
-    49: 'boarding house',
-    50: 'unspecified storage',
-    51: 'unspecified utility',
-    52: 'unspecified vehicular',
-    53: 'automobile or truck',
-    54: 'airplane',
-    55: 'bus',
-    56: 'ferry',
-    57: 'ship or boat',
-    58: 'train',
-    59: 'motorbike',
-    60: 'unspecified outdoor',
-    61: 'muni mesh network',
-    62: 'citypark',
-    63: 'restarea',
-    64: 'traffic control',
-    65: 'busstop',
-    66: 'kiosk',
+    '0': 'N/A',
+    '1': 'unspecified',
+    '2': 'unspecified assembly',
+    '3': 'arena',
+    '4': 'stadium',
+    '5': 'passenger terminal',
+    '6': 'amphitheater',
+    '7': 'amusement park',
+    '8': 'place of worship',
+    '9': 'convention center',
+    '10': 'library',
+    '11': 'museum',
+    '12': 'restaurant',
+    '13': 'theater',
+    '14': 'bar',
+    '15': 'coffee shop',
+    '16': 'zoo or aquarium',
+    '17': 'emergency coordination center',
+    '18': 'unspecified business',
+    '19': 'doctor or dentist office',
+    '20': 'bank',
+    '21': 'firestation',
+    '22': 'policestation',
+    '23': 'postoffice',
+    '24': 'professional office',
+    '25': 'research and development facility',
+    '26': 'attorney office',
+    '27': 'unspecified educational',
+    '28': 'school primary',
+    '29': 'school secondary',
+    '30': 'university or college',
+    '31': 'unspecified factory and industrial',
+    '32': 'factory',
+    '33': 'unspecified institutional',
+    '34': 'hospital',
+    '35': 'longterm carefacility',
+    '36': 'alcohol and drug rehabilitation center',
+    '37': 'group home',
+    '38': 'prison or jail',
+    '39': 'unspecified mercantile',
+    '40': 'retail store',
+    '41': 'grocery market',
+    '42': 'auomotive service station',
+    '43': 'shoppin gmall',
+    '44': 'gas station',
+    '45': 'unspecified residential',
+    '46': 'privat eresidence',
+    '47': 'hotel or motel',
+    '48': 'dormitory',
+    '49': 'boarding house',
+    '50': 'unspecified storage',
+    '51': 'unspecified utility',
+    '52': 'unspecified vehicular',
+    '53': 'automobile or truck',
+    '54': 'airplane',
+    '55': 'bus',
+    '56': 'ferry',
+    '57': 'ship or boat',
+    '58': 'train',
+    '59': 'motorbike',
+    '60': 'unspecified outdoor',
+    '61': 'muni mesh network',
+    '62': 'citypark',
+    '63': 'restarea',
+    '64': 'traffic control',
+    '65': 'busstop',
+    '66': 'kiosk',
 }
 
 _apsubmode = {
-    0: 'N/A',
-    1: 'none',
-    2: 'wips',
-    3: 'pppoe',
-    4: 'pppoewips',
+    '0': 'N/A',
+    '1': 'none',
+    '2': 'wips',
+    '3': 'pppoe',
+    '4': 'pppoewips',
 }
 
 
@@ -248,12 +239,12 @@ def parse_inv_cisco_wlc_aps_lwap(string_table: StringTable):
             'max_#_of_dot11_slots': ap[1],
             'name': ap[2],
             'max_#_of_ethernet_slots': ap[3],
-            'encryption_supported': _encryption_supported.get(int(ap[23])),
+            'encryption_supported': _encryption_supported.get(ap[23]),
             'tcp_mss': ap[25],
-            'data_encryption': _enable_disable.get(int(ap[26])),
+            'data_encryption': _enable_disable.get(ap[26]),
             'port_number': ap[28],
-            'venue_config_venue_group': _venueconfigvenuegroup.get(int(ap[29])),
-            'venue_config_venue_type': _venueconfigvenuetype.get(int(ap[30])),
+            'venue_config_venue_group': _venueconfigvenuegroup.get(ap[29]),
+            'venue_config_venue_type': _venueconfigvenuetype.get(ap[30]),
             'venue_config_venue_name': ap[31],
             'venue_config_language': ap[32],
             'trunk_vlan': ap[34],
@@ -261,49 +252,49 @@ def parse_inv_cisco_wlc_aps_lwap(string_table: StringTable):
             'floor_label': ap[45],
             'module_inserted': ap[49],
             'status_columns': {
-                'antenna_band_mode': _antenna_band_mode.get(int(ap[48])),
-                'encryption': _enable_disable.get(int(ap[11])),
-                'failover_priority': _failover_pirority.get(int(ap[12])),
-                'power_status': _power_status.get(int(ap[13])),
-                'telnet': _enable_disable.get(int(ap[14])),
-                'ssh': _enable_disable.get(int(ap[15])),
-                'pwr_pre_std_state': _enable_disable.get(int(ap[16])),
-                'pwr_injector_state': _enable_disable.get(int(ap[17])),
-                'pwr_injector_selection': _pwr_injector_selection.get(int(ap[18])),
+                'antenna_band_mode': _antenna_band_mode.get(ap[48]),
+                'encryption': _enable_disable.get(ap[11]),
+                'failover_priority': _failover_pirority.get(ap[12]),
+                'power_status': _power_status.get(ap[13]),
+                'telnet': _enable_disable.get(ap[14]),
+                'ssh': _enable_disable.get(ap[15]),
+                'pwr_pre_std_state': _enable_disable.get(ap[16]),
+                'pwr_injector_state': _enable_disable.get(ap[17]),
+                'pwr_injector_selection': _pwr_injector_selection.get(ap[18]),
                 'pwr_injector_sw_mac_addr': _render_mac_address(ap[19]),
-                'wips': _enable_disable.get(int(ap[20])),
-                'monitor_mode_optimization': _monitor_mode_optimization.get(int(ap[18])),
-                'amsdu': _enable_disable.get(int(ap[22])),
-                'admin': _enable_disable.get(int(ap[27])),
-                'rogue_detection': _enable_disable.get(int(ap[24])),
-                'led_state': _enable_disable.get(int(ap[33])),
-                'trunk_vlan_status': _enable_disable.get(int(ap[35])),
-                'submode': _apsubmode.get(int(ap[37])),
-                'real_time_stats_mode_enabled': _enable_disable.get(int(ap[38])),
+                'wips': _enable_disable.get(ap[20]),
+                'monitor_mode_optimization': _monitor_mode_optimization.get(ap[18]),
+                'amsdu': _enable_disable.get(ap[22]),
+                'admin': _enable_disable.get(ap[27]),
+                'rogue_detection': _enable_disable.get(ap[24]),
+                'led_state': _enable_disable.get(ap[33]),
+                'trunk_vlan_status': _enable_disable.get(ap[35]),
+                'submode': _apsubmode.get(ap[37]),
+                'real_time_stats_mode_enabled': _enable_disable.get(ap[38]),
                 'upgrade_from_version': ap[39],
                 'upgrade_to_version': ap[40],
                 'upgrade_failure_cause': ap[41],
                 'adj_channel_rogue_enabled': ap[46],
                 'sys_net_id': ap[47],
-                'enable_module': _enable_disable.get(int(ap[50])),
-                'is_universal': _enable_disable.get(int(ap[51])),
+                'enable_module': _enable_disable.get(ap[50]),
+                'is_universal': _enable_disable.get(ap[51]),
                 'universal_prime_status': ap[52],
-                'is_master': _enable_disable.get(int(ap[53])),
-                'ble_fw_download_status': _enable_disable.get(int(ap[54])),
+                'is_master': _enable_disable.get(ap[53]),
+                'ble_fw_download_status': _enable_disable.get(ap[54]),
                 'max_client_limit_number_trap': ap[42],
                 'max_client_limit_cause': ap[43],
-                'max_client_limit_set': _enable_disable.get(int(ap[44])),
+                'max_client_limit_set': _enable_disable.get(ap[44]),
                 'wlc_primary_address': wlcprimaryaddress,
                 'wlc_secondary_address': wlcsecondaryaddress,
                 'wlc_tertiary_address': wlctertiaryaddress,
-                'last_reboot_reason': _last_reboot_reason.get(int(ap[10])),
+                'last_reboot_reason': _last_reboot_reason.get(ap[10]),
             }
         })
 
     return aps
 
 
-def inventory_wlc_aps_lwap(params, section) -> InventoryResult:
+def inventory_cisco_wlc_aps_lwap(params, section) -> InventoryResult:
     removecolumns = []
 
     if params:
@@ -317,24 +308,22 @@ def inventory_wlc_aps_lwap(params, section) -> InventoryResult:
         for key in key_columns.keys():
             ap.pop(key)
 
+        status_columns = ap['status_columns']
+
+        ap.pop('status_columns')
+
         for entry in removecolumns:
             try:
                 ap.pop(entry)
             except KeyError:
                 pass
 
-        status_columns = ap.get('status_columns', None)
         for entry in removecolumns:
             try:
                 status_columns.pop(entry)
             except KeyError:
                 pass
 
-        try:
-            ap.pop('status_columns')
-        except KeyError:
-            pass
-
         yield TableRow(
             path=path,
             key_columns=key_columns,
@@ -342,6 +331,7 @@ def inventory_wlc_aps_lwap(params, section) -> InventoryResult:
             status_columns=status_columns,
         )
 
+
 register.snmp_section(
     name='inv_cisco_wlc_aps_lwap',
     parse_function=parse_inv_cisco_wlc_aps_lwap,
@@ -412,8 +402,7 @@ register.snmp_section(
 
 register.inventory_plugin(
     name='inv_cisco_wlc_aps_lwap',
-    inventory_function=inventory_wlc_aps_lwap,
+    inventory_function=inventory_cisco_wlc_aps_lwap,
     inventory_default_parameters={},
-    inventory_ruleset_name='inv_cisco_wlc_ap_cdp_cache',
+    inventory_ruleset_name='inv_cisco_wlc_aps_lwap',
 )
-
diff --git a/inv_cisco_wlc_aps_lwap.mkp b/inv_cisco_wlc_aps_lwap.mkp
index 60fe55d3ee0184f91851bac43d5010ea6ef68849..432139322c4d4e9ffa33e77abbd9a51d8620cdf6 100644
Binary files a/inv_cisco_wlc_aps_lwap.mkp and b/inv_cisco_wlc_aps_lwap.mkp differ
diff --git a/web/plugins/views/inv_cisco_wlc_aps_lwap.py b/web/plugins/views/inv_cisco_wlc_aps_lwap.py
index 031798495b229d47b2f2620c6929153aacc1b00b..67974dd4596768470e6778f43935800e8d77cd3d 100644
--- a/web/plugins/views/inv_cisco_wlc_aps_lwap.py
+++ b/web/plugins/views/inv_cisco_wlc_aps_lwap.py
@@ -1,10 +1,10 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
-import cmk.gui.utils
 from cmk.gui.plugins.views import (
     inventory_displayhints,)
 from cmk.gui.i18n import _
+from cmk.gui.plugins.views.inventory import declare_invtable_view
 
 
 inventory_displayhints.update({
@@ -67,6 +67,4 @@ inventory_displayhints.update({
     '.networking.wlan.controller.accesspoints_lwap:*.ble_fw_download_status'       : {'title': _('Ble FW downaload status')},
 })
 
-from cmk.gui.plugins.views.inventory import declare_invtable_view
-
 declare_invtable_view('invwlcapslwap', '.networking.wlan.controller.accesspoints_lwap:', _('Cisco WLC APs LWAP info'), _('Cisco WLC APs LWAP info)'))
diff --git a/web/plugins/wato/inv_cisco_wlc_aps_lwap.py b/web/plugins/wato/inv_cisco_wlc_aps_lwap.py
index e2bb1515fc68873bdb2a29495be89bf59fe4d5ed..4d6be49b996b12a9086d212c2c0567b99683a9e2 100644
--- a/web/plugins/wato/inv_cisco_wlc_aps_lwap.py
+++ b/web/plugins/wato/inv_cisco_wlc_aps_lwap.py
@@ -16,7 +16,7 @@ from cmk.gui.plugins.wato.inventory import (
     RulespecGroupInventory,
 )
 
-removecolumns = [
+_removecolumns = [
     ('adj_channel_rogue_enabled', 'Adj. channel rogue'),
     ('admin', 'Admin state'),
     ('amsdu', 'Aggregate MAC Service Data Unit'),
@@ -78,7 +78,7 @@ def _valuespec_inv_cisco_wlc_aps_lwap():
              ListChoice(
                  title=_('list of columns to remove'),
                  help=_('information to remove from inventory'),
-                 choices=removecolumns,
+                 choices=_removecolumns,
                  default_value=[
                      'adj_channel_rogue_enabled', 'amsdu', 'is_master', 'is_universal', 'submode',
                      'universal_prime_status', 'max_client_limit_cause', 'ble_fw_download_status', 'antenna_band_mode',