New issue 558: Rockstar Halos write_out https://bitbucket.org/yt_analysis/yt/issue/558/rockstar-halos-write_out Sam Skillman: Currently if you load halos using LoadRockstarHalos then try to write them out, it fails due to not knowing the redshift: ``` #!python In [14]: halos.write_out('halos.out') --------------------------------------------------------------------------- AttributeError Traceback (most recent call last) /projects/skillman/local/src/yt-hg/yt/mods.pyc in <module>() ----> 1 halos.write_out('halos.out') /projects/skillman/local/src/yt-hg/yt/analysis_modules/halo_finding/halo_objects.pyc in write_out(self, filename, ellipsoid_data) 2014 2015 f = self.comm.write_on_root(filename) -> 2016 HaloList.write_out(self, f, ellipsoid_data) 2017 2018 def write_particle_lists_txt(self, prefix): /projects/skillman/local/src/yt-hg/yt/analysis_modules/halo_finding/halo_objects.pyc in write_out(self, filename, ellipsoid_data) 1259 f = open(filename, "w") 1260 f.write("# HALOS FOUND WITH %s\n" % (self._name)) -> 1261 f.write("# REDSHIFT OF OUTPUT = %f\n" % (self.redshift)) 1262 1263 if not ellipsoid_data: AttributeError: 'LoadRockstarHalos' object has no attribute 'redshift' ```