stop useless wait

low_level.py

@@ -237,7 +237,6 @@ def progress_bar_from_logfile(filename:str, desc:str="", verbose:int=1, **kwargs
     k=0
     limit=600
     update_interval=0.2
-    sleep(2) # Wait for the process to be launched, and for the previous log file to be overwritten if necessary.
     wait_until_file_exists(filename, verbose=verbose, limit=limit)
     current_operation, total_operations = get_progress_from_logfile(filename)
     previous_operation = 0
@@ -266,4 +265,4 @@ def progress_bar_from_logfile(filename:str, desc:str="", verbose:int=1, **kwargs
     if k*update_interval >= limit:
         print_message(f"Progress bar timed out after {limit} seconds.", 3, "low level", verbose=verbose)
     
-    return
+    return

scola.py

@@ -230,6 +230,7 @@ def have_no_tiles(parsed_args):
 def get_missing_tiles_arrays(parsed_args):
     from os.path import isfile
     from parameters_card import parse_arguments_card
+    from slurm_submission import limit_slurm_arrays
 
     card_dict = parse_arguments_card(parsed_args)
     nboxes_tot = int(parsed_args.N_tiles**3)