code: def get_sources(self, cuts=None, distance=None, skydir=None,
                      minmax_ts=None, minmax_npred=None, exclude=None,
                      square=False):
          
  
          coordsys = self.config['binning']['coordsys']
          return self.roi.get_sources(skydir, distance, cuts,
                                      minmax_ts, minmax_npred,
                                      exclude, square,
                                      coordsys=coordsys)
docs: Retrieve list of sources in the ROI satisfying the given
          selections.
  
          Returns
          -------
          srcs : list
              A list of `~fermipy.roi_model.Model` objects.