python_requirement: Check for development headers (#406)
python_requirement: Check for development headers (#406)

Signed-off-by: Bob W. Hogg <c772a964fd55352a3510e5d535dd9ccc9ac30168@linux.com>

Linuxbrew/brew,hanxue/linuxbrew,maxim-belkin/brew,Linuxbrew/brew,maxim-belkin/brew,hanxue/linuxbrew,Linuxbrew/brew,hanxue/linuxbrew,Linuxbrew/brew,maxim-belkin/brew