Merge pull request #1339 from jcarpent/topic/python

Minor fixes
9 jobs for v2.5.3 in 17 minutes and 12 seconds (queued for 5 seconds)
Name Stage Failure
format Test
     case pinocchio::URDF:
- pinocchio::urdf::buildModel(filename,model,verbose);
+ pinocchio::urdf::buildModel(filename, model, verbose);
std::cerr << "It seems that the URDFDOM module has not been found during the Cmake process." << std::endl;
Cleaning up file based variables
ERROR: Job failed: exit code 1