update another use of .format to newer f-string

video_metadata/views/tmdb.py

@@ -156,10 +156,7 @@ def manual_query():
     return render_template(
             'tmdb/query.html',
             view_data = view_results,
-            debug_str = '{} \n {} \n'.format(
-                    util.dumpObject(query),
-                    util.dumpObject(view_results)
-                )
+            debug_str = f'{util.dumpobject(query)} \n {util.dumpobject(view_results)} \n'
         )