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@ -73,12 +73,12 @@ class Relation(NamedTuple):
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return Relation.create_from(header, reader)
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@staticmethod
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def create_from(header: Iterable[str], content: Iterable[Iterable[str]]) -> 'Relation':
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def create_from(header: Iterable[str], content: Iterable[List[str]]) -> 'Relation':
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'''
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Iterator for the header, and iterator for the content.
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'''
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header = Header(header)
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r_content: List[Tuple[CastValue, ...]] = []
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r_content = []
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guessed_types = list(repeat({Rdate, float, int, str}, len(header)))
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for row in content:
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