python-pathvalidate: bump to version 0.4.2
This version makes pytest-runner dependency optional.
Fixes:
http://autobuild.buildroot.net/results/0b6/
0b6984c84cb10856a0cf8b063d61782da8895ca8
http://autobuild.buildroot.net/results/892/
8927f8ce3aaea5f88da09c4541241901e7867584
http://autobuild.buildroot.net/results/6b2/
6b218ed9c12ed5f90a1488f9649dd796177cad0d
http://autobuild.buildroot.net/results/5ef/
5efb8d392c13901a46288590e73070d45e4e13bf
http://autobuild.buildroot.net/results/e51/
e5195b96a7be915034c755469ec273c1f7d9e4d1
http://autobuild.buildroot.net/results/f81/
f81a39dd2bae6b30766109f020cb4e3f1b1996ea
http://autobuild.buildroot.net/results/712/
71248379935dbd17c94f5e1cdc8f043f366992a7
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>