travis: install required Python packages
travis: install required Python packages
mmuellner/vigra,capturePointer/vigra,dstoe/vigra,DaveRichmond-/vigra,ThomasWalter/vigra,mmuellner/vigra,dstoe/vigra,DaveRichmond-/vigra,mmuellner/vigra,psteinb/vigra,psteinb/vigra,capturePointer/vigra,timoMa/vigra,kod3r/vigra,hmeine/vigra,dagophil/vigra,psteinb/vigra,stuarteberg/vigra,funkey/vigra,ThomasWalter/vigra,timoMa/vigra,timoMa/vigra,capturePointer/vigra,funkey/vigra,timoMa/vigra,cha007/vigra,funkey/vigra,stuarteberg/vigra,cha007/vigra,psteinb/vigra,cha007/vigra,ThomasWalter/vigra,funkey/vigra,funkey/vigra,stuarteberg/vigra,kod3r/vigra,psteinb/vigra,kod3r/vigra,kod3r/vigra,cha007/vigra,stuarteberg/vigra,cha007/vigra,ThomasWalter/vigra,DaveRichmond-/vigra,stuarteberg/vigra,timoMa/vigra,xiwei-zhang/vigra,capturePointer/vigra,dagophil/vigra,ThomasWalter/vigra,psteinb/vigra,hmeine/vigra,funkey/vigra,DaveRichmond-/vigra,hmeine/vigra,ThomasWalter/vigra,timoMa/vigra,dstoe/vigra,dstoe/vigra,xiwei-zhang/vigra,capturePointer/vigra,mmuellner/vigra,xiwei-zhang/vigra,dagophil/vigra,hmeine/vigra,dstoe/vigra,xiwei-zhang/vigra,cha007/vigra,mmuellner/vigra,timoMa/vigra,dagophil/vigra,DaveRichmond-/vigra,cha007/vigra,kod3r/vigra,hmeine/vigra,xiwei-zhang/vigra,stuarteberg/vigra,psteinb/vigra,DaveRichmond-/vigra,dstoe/vigra,hmeine/vigra,stuarteberg/vigra,DaveRichmond-/vigra,dagophil/vigra,dagophil/vigra,kod3r/vigra,hmeine/vigra,capturePointer/vigra,xiwei-zhang/vigra,capturePointer/vigra,dagophil/vigra,mmuellner/vigra,xiwei-zhang/vigra,dstoe/vigra,mmuellner/vigra,kod3r/vigra,funkey/vigra,ThomasWalter/vigra