filters.py: fix "TypeError: format requires a mapping"
filters.py: fix "TypeError: format requires a mapping"

Signed-off-by: Wei Liu <079fafa87fda223ee1bc02c2e01be5a73f34e147@liuw.name>

w15971597/june,beni55/june,Ricardo666666/june,yuewolf/june,jubel-han/june,xingkaixin/june,xingkaixin/june,xingkaixin/june,yuewolf/june,beni55/june,pythoncn/june,fanne/june,w15971597/june,pythoncn/june,jubel-han/june,fanne/june,fanne/june,Denniskevin/june,jubel-han/june,yuewolf/june,w15971597/june,Ricardo666666/june,Ricardo666666/june,Denniskevin/june,Denniskevin/june,beni55/june