fix: only print progress if totel_jops > 0

Author: Apfelholz

ptop.py

@@ -60,7 +60,9 @@ def ascii_progress_bar(percentage, bar_length=50):
                 lines.extend(new_lines)
 
             clear_console()
-            print(ascii_progress_bar(progress(lines, tj)))
+            if tj > 0: 
+                print(ascii_progress_bar(progress(lines, tj)))
+
             print(
                 "--------------------------------------------------------------"
             )