Gem Load Error is: This installation of RMagick was configured with ImageMagick 6.9.9 but ImageMagick 6.9.10-6 is in use.というエラーがでたので対応した．

# Gem Load Error is: This installation of RMagick was configured with ImageMagick 6.9.9 but ImageMagick 6.9.10-6 is in use.というエラーがでたので対応した．

$ ./bin/bundle ....
> Gem Load Error is: This installation of RMagick was configured with ImageMagick 6.9.9 but ImageMagick 6.9.10-6 is in use.

$ brew switch imagemagick@6 6.9.9-34