Lesson 6 transforming: redlines error

rom redlines import Redlines

diff = Redlines(text,response)

display(Markdown(diff.output_markdown))

results in

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-19-91c2bbd6b02e> in <cell line: 6>()
      4 from redlines import Redlines
      5 
----> 6 diff = Redlines(text,response)
      7 display(Markdown(diff.output_markdown))

4 frames
/usr/lib/python3.10/re.py in split(pattern, string, maxsplit, flags)
    228     and the remainder of the string is returned as the final element
    229     of the list."""
--> 230     return _compile(pattern, flags).split(string, maxsplit)
    231 
    232 def findall(pattern, string, flags=0):

TypeError: expected string or bytes-like object

any ideas? Thanks

Its probably because text parameter should be of type string!