New issue 537: get_psize in load_uniform_grid breaks https://bitbucket.org/yt_analysis/yt/issue/537/get_psize-in-load_uniform_gri...

Matthew Turk:

#!python
d = np.zeros((1024,1024,1024))
pf = load_uniform_grid({"Perturbation": d}, (1024,1024,1024), 100.0,
                       bbox = np.array( [[mi, ma], [mi, ma], [mi, ma]] ),
                       nprocs = 32)
pf.h.print_stats()

This code (or switching to nprocs 8 or even 256) breaks with:

Traceback (most recent call last):
  File "convert.py", line 21, in <module>
    nprocs = 32)
  File "/home/mturk/yt/yt/yt/frontends/stream/data_structures.py", line 479, in
load_uniform_grid
    psize = get_psize(np.array(data[key].shape), nprocs)
  File "/home/mturk/yt/yt/yt/utilities/decompose.py", line 136, in get_psize
    return p_size
UnboundLocalError: local variable 'p_size' referenced before assignment

Responsible: xarthisius

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