PEP8 fixes

contrib/inventory/azure_rm.py

@@ -276,7 +276,7 @@ class AzureRM(object):
         elif self.credentials.get('ad_user') is not None and self.credentials.get('password') is not None:
             tenant = self.credentials.get('tenant')
             if tenant is not None:
-                self.azure_credentials = UserPassCredentials(self.credentials['ad_user'], self.credentials['password'], tenant=tenant)          
+                self.azure_credentials = UserPassCredentials(self.credentials['ad_user'], self.credentials['password'], tenant=tenant)
             else:
                 self.azure_credentials = UserPassCredentials(self.credentials['ad_user'], self.credentials['password'])
         else:
@@ -490,8 +490,7 @@ class AzureInventory(object):
                 try:
                     virtual_machines = self._compute_client.virtual_machines.list(resource_group)
                 except Exception as exc:
-                    sys.exit("Error: fetching virtual machines for resource group {0} - {1}".format(resource_group,
+                    sys.exit("Error: fetching virtual machines for resource group {0} - {1}".format(resource_group, str(exc)))
-                                                                                                    str(exc)))
                 if self._args.host or self.tags:
                     selected_machines = self._selected_machines(virtual_machines)
                     self._load_machines(selected_machines)
@@ -802,5 +801,6 @@ def main():
 
     AzureInventory()
 
+
 if __name__ == '__main__':
     main()