Generates astropy issue #1447

astropy_masked_table_error.py

from astropy.table import Table

numbers = [1, 2, 3]
strings = ['a', 'b', 'c']

t_mask_numbers = Table(data=[numbers], masked=True)
comparison_numbers_masked = (t_mask_numbers['col0'] == 1)
type(comparison_numbers_masked)    # this is a MaskedColumn object
comparison_numbers_masked          # that causes an error on display...
print (comparison_numbers_masked)  # ...but can be printed!

t_mask_strings = Table(data=[strings], masked=True)
comparison_strings_masked = (t_mask_strings['col0'] == 'a')
type(comparison_strings_masked)    # this is a MaskedColumn object
comparison_strings_masked          # that can be displayed...
print (comparison_strings_masked)  # ...but not printed!