Fix whitespace in example of bad indentation: a comment indicated that one line was not indented at all, so the example is no longer indented at all. All of the errors being shown remain.
Fix whitespace in example of bad indentation: a comment indicated that one
line was not indented at all, so the example is no longer indented at all.
All of the errors being shown remain.

Typo: characteru --> character

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator