[python][resolved] expected string or bytes-like object

Error message:

TypeError: expected string or bytes-like object

Example with error code:

num_list = re.findall(r"[-+]?\d*\.\d+|\d+", txt)
return int(num_list[0])

You can convert the argument as str if you want use int function:

num_list = re.findall(r"[-+]?\d*\.\d+|\d+", txt)
return int(str(num_list[0]))

Reference:
https://stackoverflow.com/questions/43727583/re-sub-erroring-with-expected-string-or-bytes-like-object