changelog:
Fix support for Sanic v21.9.0 and up
Include example code in flake8 pass
Remove unused __version__ constant #262
Signed-off-by: Xu Huan <xuhuan.fnst@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>