problem in running script file (model-default.py)

When I run script file(i.e.,model-default.py) on IDLE interface,I m getting this error: read_al_373E> Protein specified in ALIGN_CODES(i) was not found in the alignment file; ALIGN_CODES( 1) = 2hyd -- http://mail.python.org/mailman/listinfo/python-list

problem in running script file of modeller

When I run mod9.10 model-default.py command on command window.It is showing that 'import site' failed;use -v for traceback and also error in opening alignment.ali file.Now what do i have to change.Please reply me as soon as possible. -- http://mail.python.org/mailman/listinfo/python-list