ERROR: test_big_arrays (test_io.TestSavezLoad) on OS X + Python 3.3 #3858
Description
Reported by Piet van Oostrum on the mailing list against 1.8.0rc1 on OS X with Python 3.3:
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ERROR: test_big_arrays (test_io.TestSavezLoad)
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Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages/numpy/testing/decorators.py", line 146, in skipper_func
return f(*args, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages/numpy/lib/tests/test_io.py", line 149, in test_big_arrays
np.savez(tmp, a=a)
File "/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages/numpy/lib/npyio.py", line 530, in savez
_savez(file, args, kwds, False)
File "/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages/numpy/lib/npyio.py", line 589, in _savez
format.write_array(fid, np.asanyarray(val))
File "/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/site-packages/numpy/lib/format.py", line 417, in write_array
fp.write(array.tostring('C'))
OSError: [Errno 22] Invalid argument