fix: syntax error for comparison

etc/slurm/job_submit.lua

@@ -45,7 +45,7 @@ function slurm_job_submit(job_desc, part_list, submit_uid)
 			break
 		end
 	end
-        if found != true then
+        if not found then
                 job_desc.features = "gpfs4"
 	end