Changelog:
=========
* Also catch RuntimeError when importing PyPDF so that PyPDF or,
crucially, its transitive dependencies do not cause diffoscope to traceback at
runtime and build time.
* Factor out a method for stripping ANSI escapes.
* Strip ANSI escapes from the output of Procyon.
(From OE-Core rev: 4f111892b3ba5b030697a1192dac59e89ea0f393)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
