Patches #626105:
Patches #626105:

Replaces the _center function in the calendar
module with the center method for strings.

For situations with uneven padding, the behavior is
slightly different in that the center method puts the
extra space on the right instead of the left.

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