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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _load_old_defaults(self, old_version):

 """Read old defaults"""

        old_defaults = cp.ConfigParser()
        if check_version(old_version, '3.0.0', '<='):
            path = get_module_source_path('spyder')
        else:
            path = osp.dirname(self.filename())
        path = osp.join(path, 'defaults') 
        old_defaults.read(osp.join(path, 'defaults-'+old_version+'.ini'))
        return old_defaults