checkstyle.sh: fix for environments where pylint != pylint2
checkstyle.sh: fix for environments where pylint != pylint2

Signed-off-by: Thomas Stilwell <5828abb29abe27c7379b760761b50805c8b510cc@openlabs.co>

Renelvon/OpenBazaar,habibmasuro/OpenBazaar,hoffmabc/OpenBazaar,atsuyim/OpenBazaar,Renelvon/OpenBazaar,Renelvon/OpenBazaar,im0rtel/OpenBazaar,Renelvon/OpenBazaar,freebazaar/FreeBazaar,kordless/OpenBazaar,im0rtel/OpenBazaar,habibmasuro/OpenBazaar,bglassy/OpenBazaar,saltduck/OpenBazaar,atsuyim/OpenBazaar,akhavr/OpenBazaar,matiasbastos/OpenBazaar,dlcorporation/openbazaar,im0rtel/OpenBazaar,mirrax/OpenBazaar,rllola/OpenBazaar,dlcorporation/openbazaar,dionyziz/OpenBazaar,matiasbastos/OpenBazaar,STRML/OpenBazaar,must-/OpenBazaar,rllola/OpenBazaar,akhavr/OpenBazaar,dionyziz/OpenBazaar,dionyziz/OpenBazaar,hoffmabc/OpenBazaar,freebazaar/FreeBazaar,rllola/OpenBazaar,STRML/OpenBazaar,NolanZhao/OpenBazaar,yagoulas/OpenBazaar,bglassy/OpenBazaar,must-/OpenBazaar,freebazaar/FreeBazaar,mirrax/OpenBazaar,freebazaar/FreeBazaar,matiasbastos/OpenBazaar,dlcorporation/openbazaar,akhavr/OpenBazaar,freebazaar/FreeBazaar,akhavr/OpenBazaar,blakejakopovic/OpenBazaar,atsuyim/OpenBazaar,bankonme/OpenBazaar,hoffmabc/OpenBazaar,yagoulas/OpenBazaar,yagoulas/OpenBazaar,mirrax/OpenBazaar,STRML/OpenBazaar,must-/OpenBazaar,bankonme/OpenBazaar,rllola/OpenBazaar,tortxof/OpenBazaar,im0rtel/OpenBazaar,dionyziz/OpenBazaar,kordless/OpenBazaar,blakejakopovic/OpenBazaar,yagoulas/OpenBazaar,dionyziz/OpenBazaar,tortxof/OpenBazaar,must-/OpenBazaar,saltduck/OpenBazaar,akhavr/OpenBazaar,hoffmabc/OpenBazaar,dlcorporation/openbazaar,bankonme/OpenBazaar,blakejakopovic/OpenBazaar,mirrax/OpenBazaar,dlcorporation/openbazaar,hoffmabc/OpenBazaar,NolanZhao/OpenBazaar,NolanZhao/OpenBazaar,habibmasuro/OpenBazaar,STRML/OpenBazaar,blakejakopovic/OpenBazaar,hoffmabc/OpenBazaar,tortxof/OpenBazaar,saltduck/OpenBazaar,tortxof/OpenBazaar,NolanZhao/OpenBazaar,dlcorporation/openbazaar,bglassy/OpenBazaar,kordless/OpenBazaar,matiasbastos/OpenBazaar,bglassy/OpenBazaar,bankonme/OpenBazaar,atsuyim/OpenBazaar,habibmasuro/OpenBazaar,saltduck/OpenBazaar,kordless/OpenBazaar