Error

[vicdxxx]

File "src\black\parsing.py", line 98, in lib2to3_parse
black.parsing.InvalidInput: Cannot parse: 210:105: text_concatenate_295 = text_concatenate.text_concatenate(delimiter="", clean_whitespace="true", text_b="")

Why?

[vicdxxx]

Avoid to use "" as string.

[shiroanon]

what are you using for memory management

[mbylstra]

You can try: #114