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Fixes #3740

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Miroslav Stampar 2019-06-06 11:44:27 +02:00
parent ceb718107f
commit 0e409d4479
3 changed files with 7 additions and 7 deletions
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2
lib/techniques/error/use.py
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@ -452,7 +452,7 @@ def errorUse(expression, dump=False):
value = _errorFields(expression, expressionFields, expressionFieldsList)
if value and isListLike(value):
if len(value) == 1 and isinstance(value[0], six.string_types):
if len(value) == 1 and isinstance(value[0], (six.string_types, type(None))):
value = unArrayizeValue(value)
elif len(value) > 1 and stopLimit == 1:
value = [value]