ENH: flake8 - use kwarg maxsplit in re.split

Author: yarikoptic

heudiconv/heuristics/reproin.py

@@ -742,9 +742,9 @@ def infotoids(seqinfos: Iterable[SeqInfo], outdir: str) -> dict[str, Optional[st
     # TODO:  fix up subject id if missing some 0s
     if study_description:
         # Generally it is a ^ but if entered manually, ppl place space in it
-        split = re.split("[ ^]", study_description, 1)
-        # split first one even more, since couldbe PI_Student or PI-Student
-        split = re.split("-|_", split[0], 1) + split[1:]
+        split = re.split("[ ^]", study_description, maxsplit=1)
+        # split first one even more, since could be PI_Student or PI-Student
+        split = re.split("-|_", split[0], maxsplit=1) + split[1:]
 
         # locator = study_description.replace('^', '/')
         locator = "/".join(split)