ERROR: test_check_trailing_whitespace (test.framework.style.StyleTest)
Test for trailing whitespace check.
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Traceback (most recent call last):
  File "test/framework/style.py", line 91, in test_check_trailing_whitespace
    result = _eb_check_trailing_whitespace(line, lines, line_number, state)
  File "easybuild/framework/easyconfig/style.py", line 86, in _eb_check_trailing_whitespace
    result = trailing_whitespace(line)
NameError: global name 'trailing_whitespace' is not defined