[style] cleanup white space and make PEP8
[style] cleanup white space and make PEP8
wkentaro/rosdep,allenh1/rosdep,ros-infrastructure/rosdep,georgepar/rosdep,georgepar/rosdep,alessandro-aglietti/rosdep,spaghetti-/rosdep,spaghetti-/rosdep,alessandro-aglietti/rosdep,aymanim/rosdep,sorki/rosdep,sorki/rosdep,allenh1/rosdep,wkentaro/rosdep,ros-infrastructure/rosdep,aymanim/rosdep