fix bad order in sort and set_index

distance_batsim_output.py

@@ -21,9 +21,8 @@ def clean_and_select(df):
     select.job_id = select.job_id.astype(str)
     select["job_id"] = select["job_id"].str.split(':', expand=True)[0]
     select.job_id = select.job_id.astype(int)
-    select.sort_values(by="job_id")
 
-    return select.set_index("job_id")
+    return select.sort_values(by="job_id").set_index("job_id")
 
 
 def open_and_compare(file1, file2):