add k8s auth to lookup hashi_vault - operator

plugins/module_utils/_auth_method_k8s.py

@@ -16,6 +16,7 @@
 from ansible_collections.community.hashi_vault.plugins.module_utils._hashi_vault_common import HashiVaultAuthMethodBase, HashiVaultValueError
 import os
 
+
 class HashiVaultAuthMethodKubernetes(HashiVaultAuthMethodBase):
     '''HashiVault option group class for auth: k8s'''
 
@@ -37,7 +38,8 @@ def validate(self):
                     self._options.set_option('kubernetes_token', token_file.read().strip())
 
         if self._options.get_option('kubernetes_token') is None:
-            raise HashiVaultValueError(self._options.get_option('kubernetes_token')+self._options.get_option_default('kubernetes_token_path')+"No Kubernetes Token specified or discovered.")
+            raise HashiVaultValueError(self._options.get_option_default('kubernetes_token_path') + 
+                                       " No Kubernetes Token specified or discovered.")
 
     def authenticate(self, client, use_token=True):
         origin_params = self._options.get_filled_options(*self.OPTIONS)
@@ -51,5 +53,5 @@ def authenticate(self, client, use_token=True):
         except (NotImplementedError, AttributeError):
             self.warn("Kubernetes authentication requires HVAC version 1.0.0 or higher. Deprecated method 'auth_kubernetes' will be used.")
             response = client.auth_kubernetes(**params)
-            
+
         return response