pipeline.py: Fixes str encoding for Python 3.
pipeline.py: Fixes str encoding for Python 3.

JesseWeinstein/ArchiveBot,ArchiveTeam/ArchiveBot,Asparagirl/ArchiveBot,Asparagirl/ArchiveBot,ArchiveTeam/ArchiveBot,JesseWeinstein/ArchiveBot,Asparagirl/ArchiveBot,Frogging101/ArchiveBot,emijrp/ArchiveBot,emijrp/ArchiveBot,ArchiveTeam/ArchiveBot,ArchiveTeam/ArchiveBot,emijrp/ArchiveBot,Frogging101/ArchiveBot,Asparagirl/ArchiveBot,ArchiveTeam/ArchiveBot,Frogging101/ArchiveBot,falconkirtaran/ArchiveBot,Frogging101/ArchiveBot,Frogging101/ArchiveBot,JesseWeinstein/ArchiveBot,falconkirtaran/ArchiveBot,emijrp/ArchiveBot,falconkirtaran/ArchiveBot,emijrp/ArchiveBot,Asparagirl/ArchiveBot,JesseWeinstein/ArchiveBot,falconkirtaran/ArchiveBot,JesseWeinstein/ArchiveBot,falconkirtaran/ArchiveBot