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Assert to make mypy happy

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Salvo 'LtWorf' Tomaselli 2020-06-27 15:51:00 +02:00
parent e5dad02397
commit f21a7beb41
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relational/parser.py
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@ -287,6 +287,7 @@ def parse_tokens(expression: List[Union[list, str]]) -> Node:
# The list contains only 1 string. Means it is the name of a relation # The list contains only 1 string. Means it is the name of a relation
if len(expression) == 1: if len(expression) == 1:
assert isinstance(expression[0], str)
if not rtypes.is_valid_relation_name(expression[0]): if not rtypes.is_valid_relation_name(expression[0]):
raise ParserException( raise ParserException(
f'{expression[0]!r} is not a valid relation name') f'{expression[0]!r} is not a valid relation name')