I'll create Fedora review for pysaml and make this bz depend on it.

pysaml2 installs multiple top-level modules, not sure why is not everything under saml2, if they're used only by saml2 ?
 s2repoze
 saml2
 xmldsig
 xmlenc

At least xmldsig is conflicting with https://pypi.python.org/pypi/xmldsig and will need to be treated as vendorized library.

Upstream is going to move top-level modules: https://github.com/rohe/pysaml2/issues/202

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Top-level modules issue resolved in https://github.com/rohe/pysaml2/commit/9af3252035484f4a8c624eba0f35b68280d43fd2
and license text in https://github.com/rohe/pysaml2/commit/27187f6abef2262056977a9a4f7d3042387e4861

In keystone pysaml2 API change is handled in master and kilo by https://review.openstack.org/#/q/If01a93a18cef6159adad50496e6335e88f86024d,n,z