Merge branch 'fix_ci_gtk_missing' into 'master'

[ci] link to an image contaiing gtk3 for larch build

See merge request !23
5 jobs for master in 60 minutes and 1 second (queued for 2 seconds)
Status Job ID Name Coverage
  Test
failed #67240
test:python3.5-stretch-pyqt5_larch

01:00:00

failed #67239
test:python3.5-stretch-pyqt5_pymca

00:05:08

canceled #71287
test:python3.5-stretch-pyqt5_pymca_larch

00:00:00

passed #67242
test:test-est-tutorials_pymca

00:03:24

failed #67241
test:python3.5-stretch-pyqt5_pymca_larch

01:00:01

 
Name Stage Failure
failed
test:python3.5-stretch-pyqt5_larch Test The script exceeded the maximum execution time set for the job
  Building wheel for wxpython (setup.py): still running...
Building wheel for wxpython (setup.py): still running...
Building wheel for wxpython (setup.py): still running...
Building wheel for wxpython (setup.py): still running...
Building wheel for wxpython (setup.py): still running...
Building wheel for wxpython (setup.py): still running...
Building wheel for wxpython (setup.py): still running...
Pulling docker image gitlab/gitlab-runner-helper:x86_64-577f813d ...
ERROR: Job failed: execution took longer than 1h0m0s seconds
failed
test:python3.5-stretch-pyqt5_pymca Test
WARNING:PyMca5.PyMcaPhysics.xas.XASClass:       Forced automatic (equidistant) knot definition.
WARNING:PyMca5.PyMcaPhysics.xas.XASClass:Error: dimension of knots must be dimension of polDegree+1
WARNING:PyMca5.PyMcaPhysics.xas.XASClass: Forced automatic (equidistant) knot definition.
WARNING:est.core.process.pymca.k_weight:Missing configuration to know which value we should set to k weight, will be set to 0 by default
WARNING:PyMca5.PyMcaPhysics.xas.XASClass:Error: dimension of knots must be dimension of polDegree+1
WARNING:PyMca5.PyMcaPhysics.xas.XASClass: Forced automatic (equidistant) knot definition.
WARNING:PyMca5.PyMcaPhysics.xas.XASClass:Error: dimension of knots must be dimension of polDegree+1
WARNING:PyMca5.PyMcaPhysics.xas.XASClass: Forced automatic (equidistant) knot definition.
ERROR: Job failed: exit code 1