logilab-common #137244 file_from_modpath crash with python 3.3 [validation pending]

due to change in find_module wrt builtin modules. See mail from Chris Wong on python-projects for details.

prioritynormal
typebug
done in0.60.0
load0.100
load left0.000
closed by#5a8fb4b4a7f5 [modutils] fix python3.3 crash on file_from_modpath. Closes #137244
patch[modutils] fix python3.3 crash on file_from_modpath. Closes #137244 [applied]