Hi! Tried python 2.5.1 on my old ppc iBook and got this trace: DIR /libs DIR /libs/core GEN ../../include/core/GP_Convert_Scale.gen.h Traceback (most recent call last): File "../../pylib/bin/generate_file.py", line 34, in <module> main(options, args) File "../../pylib/bin/generate_file.py", line 25, in main env = render_utils.create_environment(config, options.templates) File "/home/metan/Devel/gfxprim/pylib/gfxprim/render_utils.py", line 19, in create_environment loader = jinja2.FileSystemLoader(template_dir)) TypeError: __init__() got an unexpected keyword argument 'line_comment_prefix' make[1]: *** [core] Error 2 make: *** [libs] Error 2 Any ideas? -- metan