FIX - Recreate folder if sphinx-rep already existed and fix warning message...

FIX - Recreate folder if sphinx-rep already existed and fix warning message for concurrency parameter.

src/xfel_calibrate/finalize.py

@@ -40,6 +40,10 @@ def natural_keys(text):
 
 def combine_report(run_path, calibration):
     sphinx_path = "{}/sphinx_rep".format(path.abspath(run_path))
+    # if the finalize job was preempted or requeued,
+    # while building the report.
+    if isdir(sphinx_path):
+        rmtree(sphinx_path)
     makedirs(sphinx_path)
     direntries = listdir(run_path)
     direntries.sort(key=natural_keys)