PEP8 fixes

contrib/inventory/azure_rm.py

@@ -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,
-                                                                                                    str(exc)))
+                    sys.exit("Error: fetching virtual machines for resource group {0} - {1}".format(resource_group, 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()