Use pkgutil.ImpLoader instead of a custom loader for cubes import redirection
It just works fine (same implementation of load_module method as _CubesLoader
introduced in d404fd8499dd) and is complete w.r.t. PEP 302 (all methods
implemented).
Related to #13001466.
Document: cubicweb-doc
Title: CubicWeb documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/cubicweb-documentation/html/index.html
Files: /usr/share/doc/cubicweb-documentation/html/*