This is a strange response. The only thing I can say is that "indentation issues" does not imply "mixed whitespace issues". Your responses are implicitly conflating the two.
>what do you think you have to change, if not the whitespace?
Note that the same error shows up when you have an inconsistent number of spaces to indent a block.
>what do you think you have to change, if not the whitespace?
Note that the same error shows up when you have an inconsistent number of spaces to indent a block.