[FLASH-USERS] Loading FLASH2.5 files problem with yt

[Casanova, Jordi]

Hello flash users!

I am using yt to analyze simulations performed with the latest version of FLASH4.7, and everything works fine. However, I would like to check out some old files performed with FLASH2.5. I am not able to load these FLASH2.5 files with yt. Below I am attaching the traceback with the error. Does anyone know what the problem might be? Thank you!



yt : [INFO     ] 2024-08-14 11:03:29,105 Particle file found: test_hdf5_chk_2396





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



    TypeError                                 Traceback (most recent call last)



    Cell In[1], line 2

          1 import yt

    ----> 2 ds=yt.load("/Users/novita/Desktop/test_hdf5_chk_2396")





    File ~/Library/Python/3.12/lib/python/site-packages/yt/_maintenance/deprecation.py:69, in future_positional_only.<locals>.outer.<locals>.inner(*args, **kwargs)

         60     value = kwargs[name]

         61     issue_deprecation_warning(

         62         f"Using the {name!r} argument as keyword (on position {no}) "

         63         "is deprecated. "

       (...)

         67         **depr_kwargs,

         68     )

    ---> 69 return func(*args, **kwargs)





    File ~/Library/Python/3.12/lib/python/site-packages/yt/loaders.py:144, in load(fn, hint, *args, **kwargs)

        136     if missing := cls._missing_load_requirements():

        137         warnings.warn(

        138             f"This dataset appears to be of type {cls.__name__}, "

        139             "but the following requirements are currently missing: "

       (...)

        142             stacklevel=3,

        143         )

    --> 144     return cls(fn, *args, **kwargs)

        146 if len(candidates) > 1:

        147     raise YTAmbiguousDataType(_input_fn, candidates)





    File ~/Library/Python/3.12/lib/python/site-packages/yt/frontends/flash/data_structures.py:206, in FLASHDataset.__init__(self, filename, dataset_type, storage_filename, particle_filename, units_override, unit_system, default_species_fields)

        204 # Check if the particle file has the same time

        205 if self._particle_handle != self._handle:

    --> 206     part_time = self._particle_handle.handle.get("real scalars")[0][1]

        207     plot_time = self._handle.handle.get("real scalars")[0][1]

        208     if not np.isclose(part_time, plot_time):





    TypeError: 'NoneType' object is not subscriptable
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