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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 reload_sources(self, names):
 """Recompute the source map for a list of sources in the model. """


        try:
            self.like.logLike.loadSourceMaps(names, True, True)
            # loadSourceMaps doesn't overwrite the header so we need
            # to ignore EXPSCALE by setting check_header=False
            self._scale_srcmap(self._src_expscale, check_header=False,
                               names=names)
        except:
            for name in names:
                self.reload_source(name)