Fix shebang in shell_builder (#51)
Fix shebang in shell_builder (#51)

Summary:
Typo in python shebang introduced by 0d19e27, probably by accident.

Found while skimming the code.
Pull Request resolved: https://github.com/facebook/openr/pull/51

Reviewed By: steven1327

Differential Revision: D21865922

Pulled By: saifhhasan

fbshipit-source-id: 5f2c2c2fac82078070920915812139f5fef1c7fe

rsocket/rsocket-cpp,ReactiveSocket/reactivesocket-cpp,rsocket/rsocket-cpp,ReactiveSocket/reactivesocket-cpp,rsocket/rsocket-cpp,ReactiveSocket/reactivesocket-cpp,rsocket/rsocket-cpp