I build spark-server on windows 7 some problems encountered in the process, discovered ursa module can not be installed on windows 7 platform. I tried to install python, but ursa or installation fails, seek solutions. . .

@Zorn, there’s a few people who reported issues like this on the windows platform with regards to the Serialport package.
Did you install the Visual c++ express already?
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thanks,I have been replaced by Linux system.
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