make sure no previously set build config flags break pip builds.
make sure no previously set build config flags break pip builds.

freebazaar/FreeBazaar,mirrax/OpenBazaar,bankonme/OpenBazaar,freebazaar/FreeBazaar,blakejakopovic/OpenBazaar,matiasbastos/OpenBazaar,Renelvon/OpenBazaar,mirrax/OpenBazaar,saltduck/OpenBazaar,Renelvon/OpenBazaar,saltduck/OpenBazaar,bglassy/OpenBazaar,mirrax/OpenBazaar,habibmasuro/OpenBazaar,atsuyim/OpenBazaar,habibmasuro/OpenBazaar,rllola/OpenBazaar,bglassy/OpenBazaar,freebazaar/FreeBazaar,freebazaar/FreeBazaar,atsuyim/OpenBazaar,matiasbastos/OpenBazaar,matiasbastos/OpenBazaar,saltduck/OpenBazaar,rllola/OpenBazaar,Renelvon/OpenBazaar,habibmasuro/OpenBazaar,tortxof/OpenBazaar,rllola/OpenBazaar,must-/OpenBazaar,blakejakopovic/OpenBazaar,bankonme/OpenBazaar,must-/OpenBazaar,tortxof/OpenBazaar,habibmasuro/OpenBazaar,NolanZhao/OpenBazaar,matiasbastos/OpenBazaar,tortxof/OpenBazaar,Renelvon/OpenBazaar,must-/OpenBazaar,must-/OpenBazaar,atsuyim/OpenBazaar,bankonme/OpenBazaar,atsuyim/OpenBazaar,blakejakopovic/OpenBazaar,bankonme/OpenBazaar,bglassy/OpenBazaar,mirrax/OpenBazaar,blakejakopovic/OpenBazaar,NolanZhao/OpenBazaar,NolanZhao/OpenBazaar,rllola/OpenBazaar,bglassy/OpenBazaar,tortxof/OpenBazaar,freebazaar/FreeBazaar,saltduck/OpenBazaar,NolanZhao/OpenBazaar