conditional that is just an integer (??) causes traceback, 9ea54fcaaf

ERROR: test_check_conditional_jinja2_variable_literals (TestUtils.TestUtils)
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Traceback (most recent call last):
  File "/home/misc/checkout/git/ansible/test/TestUtils.py", line 151, in test_check_conditional_jinja2_variable_literals
    'jinja2_compare var', '/', {'var': 1}) == True)
  File "/home/misc/checkout/git/ansible/lib/ansible/utils/__init__.py", line 178, in check_conditional
    original = conditional.replace("jinja2_compare ","")
AttributeError: 'int' object has no attribute 'replace'