what is trailing whitespace and how can I handle this?
问题 some piece of my codes: if self.tagname and self.tagname2 in list1: try: question = soup.find("div", "post-text") title = soup.find("a", "question-hyperlink") self.list2.append(str(title)+str(question)+url) current += 1 except AttributeError: pass logging.info("%s questions passed, %s questions \ collected" % (count, current)) count += 1 return self.list2 pep8 warning is: trailing whitespace 37:try trailing whitespace 43:pass Can you please tell me what is this? 回答1: Trailing whitespace is