Revert "Added missing dependency: certifi"

This reverts commit cf2872ad0f4c56c768ba9e578cee5f29abbd32d9.
Revert "Fix reference to 'student' URL arg"

This reverts commit 37443d2c47f3c33c51d51ec86c952015a516b088.
Revert "Revert "Fix reference to 'student' URL arg""

This reverts commit 9e85a8dc2d38a102b04195b4d3688d5cdf81b1bb.