fish: Unknown command '/Users/harryho/Library/Python/2.7/lib/python/site-packages/scripts/powerline-config'
/Users/harryho/Library/Python/2.7/lib/python/site-packages/powerline/bindings/fish/powerline-setup.fish (line 2): begin; /Users/harryho/Library/Python/2.7/lib/python/site-packages/scripts/powerline-config shell --shell=fish uses prompt
                                                                                                                         ^
in . (source) call of file '-',
    called on line 35 of file '/Users/harryho/Library/Python/2.7/lib/python/site-packages/powerline/bindings/fish/powerline-setup.fish',

in function 'powerline-setup',
    called on standard input,

fish: Unknown command '/Users/harryho/Library/Python/2.7/lib/python/site-packages/scripts/powerline-config'
/Users/harryho/Library/Python/2.7/lib/python/site-packages/powerline/bindings/fish/powerline-setup.fish (line 2): begin; /Users/harryho/Library/Python/2.7/lib/python/site-packages/scripts/powerline-config shell --shell=fish uses tmux
                                                                                                                         ^
in . (source) call of file '-',
    called on line 35 of file '/Users/harryho/Library/Python/2.7/lib/python/site-packages/powerline/bindings/fish/powerline-setup.fish',

in function 'powerline-setup',
    called on standard input,