It seems to lose the CWD for some reasons. Here is a log example:
[Tesh/INFO] change directory to /builds/workspace/SimGrid/build_mode/ModelChecker/node/simgrid-ubuntu-xenial-32/build/SimGrid-3.21.90/examples/python/actor-create
[...]
[actor-create.tesh:3] python3 /builds/workspace/SimGrid/build_mode/ModelChecker/node/simgrid-ubuntu-xenial-32/build/SimGrid-3.21.90/examples/python/actor-create/actor-create.py
[...]
+[...] [xbt/CRITICAL] Unable to open 'actor-create_d.xml' from '/builds/workspace/SimGrid/build_mode/ModelChecker/node/simgrid-ubuntu-xenial-32/build/SimGrid-3.21.90/examples/python'
-$ python3 ${srcdir:=.}/actor-create.py
+$ python3 ${srcdir:=.}/actor-create.py --cfg=path:actor-create
> [Tremblay:sender1:(2) 0.000000] [python/INFO] Hello s4u, I have something to send
> [Jupiter:sender2:(3) 0.000000] [python/INFO] Hello s4u, I have something to send
> [Fafard:sender:(4) 0.000000] [python/INFO] Hello s4u, I have something to send
> [Tremblay:sender1:(2) 0.000000] [python/INFO] Hello s4u, I have something to send
> [Jupiter:sender2:(3) 0.000000] [python/INFO] Hello s4u, I have something to send
> [Fafard:sender:(4) 0.000000] [python/INFO] Hello s4u, I have something to send
> [Jupiter:sender2:(3) 0.070434] [python/INFO] I'm done. See you.
> [Fafard:receiver:(1) 0.086825] [python/INFO] I received 'GaBuZoMeu', 'GloubiBoulga' and 'PopPop!'
> [Fafard:receiver:(1) 0.086825] [python/INFO] I'm done. See you.
> [Jupiter:sender2:(3) 0.070434] [python/INFO] I'm done. See you.
> [Fafard:receiver:(1) 0.086825] [python/INFO] I received 'GaBuZoMeu', 'GloubiBoulga' and 'PopPop!'
> [Fafard:receiver:(1) 0.086825] [python/INFO] I'm done. See you.
+
+# The --cfg=path:actor-create should not be mandatory here.
+# It is mostly intended to work around what seems to be a bug in our CI system.
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