Removed some spaces in index.rst

4 jobs for index_fix in 60 minutes and 33 seconds (queued for 19 minutes and 1 second)
Status Job ID Name Coverage
  Build
passed #124119
docker
build_linux_27

00:39:53

passed #124120
docker
build_linux_36

00:36:03

passed #124121
macosx
build_macosx_27

00:20:40

passed #124122
macosx
build_macosx_36

00:17:16