Pin conda to 4.6 to avoid upgrade issues (bis)
This is a second try on pinning bob.devtools to use conda 4.6.
If we do not pin this, upgrades are not possible without uninstalling bob.devtools to then re-install it.
This is a second try on pinning bob.devtools to use conda 4.6.
If we do not pin this, upgrades are not possible without uninstalling bob.devtools to then re-install it.