Why am I getting this error when installing the Tripwire App?

[Brian1]

Trying to install Tripwire app and getting the following errors :

error:335 - Traceback (most recent call last):
File "/opt/splunk/lib/python3.7/site-packages/cherrypy/_cprequest.py", line 628, in respond
self._do_respond(path_info)

File "/opt/splunk/lib/python3.7/site-packages/cherrypy/_cprequest.py", line 687, in _do_respond
response.body = self.handler()

File "/opt/splunk/lib/python3.7/site-packages/cherrypy/lib/encoding.py", line 219, in __call__
self.body = self.oldhandler(*args, **kwargs)

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/htmlinjectiontoolfactory.py", line 75, in wrapper
resp = handler(*args, **kwargs)

File "/opt/splunk/lib/python3.7/site-packages/cherrypy/_cpdispatch.py", line 54, in __call__
return self.callable(*self.args, **self.kwargs)

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/routes.py", line 383, in default
return route.target(self, **kw)

File "</opt/splunk/lib/python3.7/site-packages/decorator.py:decorator-gen-486>", line 2, in listEntities

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/decorators.py", line 40, in rundecs
return fn(*a, **kw)

File "</opt/splunk/lib/python3.7/site-packages/decorator.py:decorator-gen-484>", line 2, in listEntities

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/decorators.py", line 118, in check
return fn(self, *a, **kw)

File "</opt/splunk/lib/python3.7/site-packages/decorator.py:decorator-gen-483>", line 2, in listEntities

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/decorators.py", line 166, in validate_ip
return fn(self, *a, **kw)

File "</opt/splunk/lib/python3.7/site-packages/decorator.py:decorator-gen-482>", line 2, in listEntities

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/decorators.py", line 245, in preform_sso_check
return fn(self, *a, **kw)

File "</opt/splunk/lib/python3.7/site-packages/decorator.py:decorator-gen-481>", line 2, in listEntities

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/decorators.py", line 284, in check_login
return fn(self, *a, **kw)

File "</opt/splunk/lib/python3.7/site-packages/decorator.py:decorator-gen-480>", line 2, in listEntities

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/decorators.py", line 304, in handle_exceptions
return fn(self, *a, **kw)

File "</opt/splunk/lib/python3.7/site-packages/decorator.py:decorator-gen-475>", line 2, in listEntities

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/lib/decorators.py", line 359, in apply_cache_headers
response = fn(self, *a, **kw)

File "/opt/splunk/lib/python3.7/site-packages/splunk/appserver/mrsparkle/controllers/admin.py", line 1738, in listEntities
app_name = eai_acl.get('app')
AttributeError: 'NoneType' object has no attribute 'get'

[shashidharReddy]

Looks like the version that your using for tripwire app addon and python is not compactible you may use latest version of app add on from tripwire customer portal.