Guard creating HTTPSClientAuthHandler behind HTTPS checks (#50523)

* Guard creating HTTPSClientAuthHandler behind HTTPS checks. Fixes #50339

* linting fixup

changelogs/fragments/urls-https-guard.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+- Guard ``HTTPSClientAuthHandler`` under HTTPS checks, to avoid tracebacks when python is compiled without SSL support (https://github.com/ansible/ansible/issues/50339)

lib/ansible/module_utils/urls.py

@@ -298,7 +298,9 @@ class NoSSLError(SSLValidationError):
 
 # Some environments (Google Compute Engine's CoreOS deploys) do not compile
 # against openssl and thus do not have any HTTPS support.
-CustomHTTPSConnection = CustomHTTPSHandler = None
+CustomHTTPSConnection = None
+CustomHTTPSHandler = None
+HTTPSClientAuthHandler = None
 if hasattr(httplib, 'HTTPSConnection') and hasattr(urllib_request, 'HTTPSHandler'):
     class CustomHTTPSConnection(httplib.HTTPSConnection):
         def __init__(self, *args, **kwargs):
@@ -342,8 +344,7 @@ if hasattr(httplib, 'HTTPSConnection') and hasattr(urllib_request, 'HTTPSHandler
 
         https_request = AbstractHTTPHandler.do_request_
 
-
-class HTTPSClientAuthHandler(urllib_request.HTTPSHandler):
+    class HTTPSClientAuthHandler(urllib_request.HTTPSHandler):
         '''Handles client authentication via cert/key
 
         This is a fairly lightweight extension on HTTPSHandler, and can be used