Move tango style's copyright info to the bottom of the docstring, so `check_sources.py` is happy.
Move tango style's copyright info to the bottom of the docstring, so
`check_sources.py` is happy.

pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments,pathawks/pygments