refine tsklst logs

app.py

@@ -34,11 +34,11 @@ def tasklst():
         logs = f"\nHas been running for {time_diff(START_TIME, datetime.now())}\n"
         jobs = schedule.get_jobs()
         for job in jobs:
+            prev_run = ""
             last_run = fix_datetime(job.last_run)
-            if not last_run:
-                last_run = "never"
+            if last_run:
+                prev_run = f"last run: {last_run}, "
 
-            prev_run = f"last run: {last_run}, "
             next_run = fix_datetime(job.next_run)
             logs += f"\nEvery {job.interval}h do {job.job_func.__name__} ({prev_run}next run: {next_run})\n"