python - Apache Thrift Tutorial Error -

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i've been trying learn use apache thrift in python following tutorial: http://www.billdimmick.com/devjournal/building-an-apache-thrift-service-in-python.html. thrift file used tutorial is:

namespace py demo  service mathservice {     i64 add(1: i64 a, 2: i64 y) }

when try compile python code thrift --gen py:new_style demo.thrift following error:

[error:/home/pi/programming/python/thrift-tutorial/demo.thrift:4] (last token '{') syntax error [failure:/home/pi/programming/python/thrift-tutorial/demo.thrift:4] parser error during include pass

i can't see wrong thrift file i'm still getting errors. what's wrong?


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