changing display options for dtype info for record arrays

Hello: I am starting to use record arrays and would like to know how to keep numpy from displaying the dtype info. For example, I can make a record array containing a long tuple:
mydescriptor = dtype([('first', 'f4'),('second', 'f4'), ('third', [(str(x),'<i2') for x in range(1000)] )])
myarr = rec.array( [(1.2, 4.5, tuple([x for x in range(1000)]) )], dtype= mydescriptor )
If in a terminal I type "myarr" and hit return, I get a printout of the data and then a very long list of dtype information. Is there some way to turn this feature off so that only the data is displayed? I realize that "print myarr" does not produce the long dtype list. Also, is there an easier way to set the format for the long tuple, such as using ('third', 'tuple') or some such expression? I know that 'tuple' is not a dtype, just thought there might be some shortcut for formatting long tuples in a rec array. Thanks, John
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JJ