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@@ -168,7 +168,7 @@ class Message:
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if 'ttl' not in self.fields\
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or type(self.fields['ttl']) != int\
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- or self.fields['ttl'] < 1:
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+ or self.fields['ttl'] < 0:
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raise ValueError('malformed `QUERY\' message: illegal or missing `ttl\' field')
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elif self.kind == Message.QUERY_HIT:
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if 'data' not in self.fields\
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