what is trailing whitespace and how can I handle this?

Question

some piece of my codes:

            if self.tagname and self.tagname2 in list1:
                try: 
                    question = soup.find(\"div\", \"post-te         


        

Answer 1

I have got similar pep8 warning W291 trailing whitespace

long_text = '''Lorem Ipsum is simply dummy text  <-remove whitespace
of the printing and typesetting industry.'''

Try to explore trailing whitespaces and remove them. ex: two whitespaces at the end of Lorem Ipsum is simply dummy text