77a68b use module import method to call flake8 when test

Authored and Committed by Shengjing Zhu 8 years ago
    use module import method to call flake8 when test
    
    Fix tests on system that /usr/bin/flake8 points to py3 version
    
    Signed-off-by: Shengjing Zhu <zsj950618@gmail.com>
    
        
file modified
+2 -1