[lesterrains] better selection of extreme values

Status Job ID Name Coverage
  Build
created #22169
build:2.7
created #22170
build:3
 
  Test
created #22172
allowed to fail
lint:2.7
created #22176
allowed to fail
lint:3
created #22171
pyflakes:2.7
created #22175
pyflakes:3
created #22173
unittests:2.7
created #22177
unittests:3
created #22174
allowed to fail
unittests-modules:2.7
created #22178
allowed to fail
unittests-modules:3
 
  Deploy
created #22179
doc:2.7
created #22180
doc:3