..F
======================================================================
FAIL: testTypePrefix (__main__.UiTest)
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Traceback (most recent call last):
  File "/home/uke/oil/data_lang/pretty_test.py", line 48, in testTypePrefix
    "(List)   [null, 'ok', 15]\n")
  File "/home/uke/oil/data_lang/pretty_test.py", line 44, in assertPretty
    self.assertEqual(actual, expected)
AssertionError: "(List)  [null, 'ok', 15]\n" != "(List)   [null, 'ok', 15]\n"

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Ran 3 tests in 0.018s

FAILED (failures=1)
ACTUAL:
(List)  [null, 'ok', 15]

EXPECTED:
(List)   [null, 'ok', 15]

END