Hi Jessica, I think that your yt installation needs to be updated. There was a change to yt's config system earlier this year. If you have yt installed from source, go into the source directory and do: git pull origin master pip install -e . Britton On Fri, Jun 18, 2021 at 2:41 AM Jessica López wrote:

Hello, I've installed yt and yt_astro_analysis since the source as well as rockstar-galaxies (according to the instructions in the web page) in order to use the halo finder. Then, in my script I have

from yt.extensions.astro_analysis.halo_analysis import HaloCatalog import yt

data=yt.load("/home/user/Programas/enzo-dev/run/CosmologySimulation/amr_cosmology/DD0010/DD0010")

halo=HaloCatalog(data_ds=data,finder_method='rockstar') halo.create()

However it appears the error message

---------------------------------------------------------------------------TypeError Traceback (most recent call last)<ipython-input-5-3ebc8a5b69aa> in <module> 5 es = yt.load("/home/jessica/Programas/enzo-dev/run/CosmologySimulation/amr_cosmology/DD0010/DD0010", "Enzo") 6 hc = HaloCatalog(data_ds=es, finder_method='rockstar', finder_kwargs={"num_readers": 2, "num_writers": 4})----> 7 hc.create() ~/Programas/yt_astro_analysis/yt_astro_analysis/halo_analysis/halo_catalog/halo_catalog.py in create(self, save_halos, save_output, njobs, dynamic) 331 """ 332 --> 333 self._run(save_halos, save_output, 334 njobs=njobs, dynamic=dynamic) 335 ~/.local/lib/python3.8/site-packages/yt/utilities/parallel_tools/parallel_analysis_interface.py in barrierize(*args, **kwargs) 299 def barrierize(*args, **kwargs): 300 if not parallel_capable:--> 301 return func(*args, **kwargs) 302 mylog.debug("Entering barrier before %s", func.__name__) 303 comm = _get_comm(args) ~/Programas/yt_astro_analysis/yt_astro_analysis/halo_analysis/halo_catalog/halo_catalog.py in _run(self, save_halos, save_catalog, njobs, dynamic) 222 # Find halos. 223 if self.halos_ds is None:--> 224 self.finder_method(self) 225 return 226 ~/Programas/yt_astro_analysis/yt_astro_analysis/halo_analysis/halo_catalog/halo_finding_methods.py in __call__(self, hc) 37 38 def __call__(self, hc):---> 39 return self.function(hc, *self.args, **self.kwargs) 40 41 def _hop_method(hc, **finder_kwargs): ~/Programas/yt_astro_analysis/yt_astro_analysis/halo_analysis/halo_catalog/halo_finding_methods.py in _rockstar_method(hc, **finder_kwargs) 85 86 ds = hc.data_ds---> 87 rh = RockstarHaloFinder(ds, **finder_kwargs) 88 rh.run() 89 ~/Programas/yt_astro_analysis/yt_astro_analysis/halo_analysis/halo_finding/rockstar/rockstar.py in __init__(self, ts, num_readers, num_writers, outbase, particle_type, star_types, force_res, initial_metric_scaling, non_dm_metric_scaling, suppress_galaxies, total_particles, dm_only, particle_mass, min_halo_size) 212 # Decide how we're working. 213 if ytcfg.get("yt", "inline"):--> 214 self.runner = InlineRunner() 215 else: 216 self.runner = StandardRunner(num_readers, num_writers) ~/Programas/yt_astro_analysis/yt_astro_analysis/halo_analysis/halo_finding/rockstar/rockstar.py in __init__(self) 42 def __init__(self): 43 # If this is being run inline, num_readers == comm.size, always.---> 44 psize = ytcfg.get("yt", "internals", "global_parallel_size") 45 self.num_readers = psize 46 # No choice for you, everyone's a writer too! ~/.local/lib/python3.8/site-packages/yt/config.py in get(self, section, option, *args, **kwargs) 135 136 def get(self, section, option, *args, **kwargs):--> 137 val = super(YTConfigParser, self).get(section, option, *args, **kwargs) 138 return os.path.expanduser(os.path.expandvars(val)) 139 TypeError: get() takes 3 positional arguments but 4 were given

-------------------------------------------------------------------------

How can I fix this?

Thank you in advance

_______________________________________________ yt-users mailing list -- yt-users@python.org To unsubscribe send an email to yt-users-leave@python.org https://mail.python.org/mailman3/lists/yt-users.python.org/ Member address: brittonsmith@gmail.com