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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?
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Type M-x delete-trailing-whitespace to delete all trailing whitespace. This command deletes all extra spaces at the end of each line in the buffer, and all empty lines at the end of the buffer; to ignore the latter, change the variable delete-trailing-lines to nil .
Python String strip() function will remove leading and trailing whitespaces. If you want to remove only leading or trailing spaces, use lstrip() or rstrip() function instead.
To remove leading and trailing spaces in Java, use the trim() method. This method returns a copy of this string with leading and trailing white space removed, or this string if it has no leading or trailing white space.
Trailing whitespace is any spaces or tabs after the last non-whitespace character on the line until the newline.
In your posted question, there is one extra space after try:, and there are 12 extra spaces after pass:
>>> post_text = '''\ ... 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 ... ''' >>> for line in post_text.splitlines(): ... if line.rstrip() != line: ... print(repr(line)) ... ' try: ' ' pass ' See where the strings end? There are spaces before the lines (indentation), but also spaces after.
Use your editor to find the end of the line and backspace. Many modern text editors can also automatically remove trailing whitespace from the end of the line, for example every time you save a file.
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