avoid second dot in filename
avoid second dot in filename

mjacob75/bart,mjacob75/bart,mrirecon/bart,sdimoudi/bart,sidward/bart,mrirecon/bart,sdimoudi/bart,frankong/bart,mrirecon/bart,grlee77/bart,mjacob75/bart,Takishima/bart,Takishima/bart,Takishima/bart,nckz/bart,nckz/bart,mrirecon/bart,grlee77/bart,mrirecon/bart,sdimoudi/bart,grlee77/bart,Takishima/bart,mjacob75/bart,sidward/bart,mjacob75/bart,nckz/bart,sdimoudi/bart,Takishima/bart,sidward/bart,nckz/bart,frankong/bart,frankong/bart,sidward/bart,frankong/bart,nckz/bart,grlee77/bart,sidward/bart,frankong/bart,grlee77/bart,sdimoudi/bart