Remove unreachable and/or unneeded branches in function_space.py
This MR fixes issue #43 (closed) by removing three unreachable and/or unneeded branches that apparently were connected to left-overs from an initial treatment of manifolds.
This MR fixes issue #43 (closed) by removing three unreachable and/or unneeded branches that apparently were connected to left-overs from an initial treatment of manifolds.