Addresses review comments.
Addresses review comments.

Signed-off-by: Syed Tousif Ahmed <ba8a1b7d06efde4ef5458e8decb181f390fd62f6@seas.upenn.edu>

SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray,SymbiFlow/prjxray