rust: Depends on python for Linuxbrew (#1774)
rust: Depends on python for Linuxbrew (#1774)

Fix error:
configure: error: CFG_PYTHON needed,
but unable to find any of: python2.7 python2 python
maxim-belkin/homebrew-core,rwhogg/homebrew-core,LinuxbrewTestBot/homebrew-core,maxim-belkin/homebrew-core,Linuxbrew/homebrew-core,rwhogg/homebrew-core,LinuxbrewTestBot/homebrew-core,Linuxbrew/homebrew-core