Feat/dss cimprove master rebasing

xfel_calibrate/calibrate.py

 #!/usr/bin/env python
 
 import argparse
-import copy
 from datetime import datetime
 import nbconvert
 import nbformat
@@ -9,12 +8,10 @@ from nbparameterise import (
     extract_parameters, replace_definitions, parameter_values
 )
 import os
-from os import chdir
 import pprint
 import re
-from subprocess import Popen, PIPE, check_output
+from subprocess import check_output
 import sys
-from uuid import uuid4
 import warnings
 from .settings import *
 from .notebooks import notebooks
@@ -691,7 +688,7 @@ def make_par_table(parms, temp_path, run_uuid):
 
     :param parms: parameters of the notebook
     :param temp_path: path to temporary directory for job outputs
-    :param run_uuid: inset of folder name containing job output
+    :param run_uuid: inset of folder name containing timestamp(fmt: YMD_HMS).
     """
 
     # Add space in long strings without line breakers ` ,-/` to
@@ -818,7 +815,7 @@ def run():
 
         title = title.rstrip()
 
-        run_uuid = uuid4()
+        run_uuid = f"t{datetime.now().strftime('%y%m%d_%H%M%S')}"
 
         # check if concurrency parameter is given and we run concurrently
         if not has_parm(parms, concurrency["parameter"]) and concurrency["parameter"] is not None: