fixed sanitize to properly handle None
fixed sanitize to properly handle None



git-svn-id: 0429bb2eb6f71f8cd87fe9410a915008a087abca@2466 efcc4bdc-162a-0410-a8af-5b4b46c5376d

cliqz/socorro,mozilla/socorro,twobraids/socorro,yglazko/socorro,m8ttyB/socorro,m8ttyB/socorro,spthaolt/socorro,Serg09/socorro,yglazko/socorro,rhelmer/socorro,spthaolt/socorro,KaiRo-at/socorro,m8ttyB/socorro,luser/socorro,adngdb/socorro,pcabido/socorro,cliqz/socorro,rhelmer/socorro,twobraids/socorro,Tayamarn/socorro,luser/socorro,AdrianGaudebert/socorro,spthaolt/socorro,bsmedberg/socorro,bsmedberg/socorro,linearregression/socorro,mozilla/socorro,AdrianGaudebert/socorro,yglazko/socorro,rhelmer/socorro,Tchanders/socorro,linearregression/socorro,linearregression/socorro,rhelmer/socorro,yglazko/socorro,spthaolt/socorro,linearregression/socorro,lonnen/socorro,Tayamarn/socorro,rhelmer/socorro,twobraids/socorro,Serg09/socorro,twobraids/socorro,adngdb/socorro,yglazko/socorro,mozilla/socorro,mozilla/socorro,KaiRo-at/socorro,spthaolt/socorro,m8ttyB/socorro,m8ttyB/socorro,Tchanders/socorro,Serg09/socorro,Tayamarn/socorro,pcabido/socorro,yglazko/socorro,linearregression/socorro,KaiRo-at/socorro,KaiRo-at/socorro,adngdb/socorro,lonnen/socorro,mozilla/socorro,Tchanders/socorro,Tayamarn/socorro,cliqz/socorro,m8ttyB/socorro,Tchanders/socorro,mozilla/socorro,AdrianGaudebert/socorro,bsmedberg/socorro,Tayamarn/socorro,lonnen/socorro,AdrianGaudebert/socorro,Tayamarn/socorro,bsmedberg/socorro,luser/socorro,adngdb/socorro,adngdb/socorro,adngdb/socorro,Tchanders/socorro,Serg09/socorro,twobraids/socorro,spthaolt/socorro,Serg09/socorro,KaiRo-at/socorro,pcabido/socorro,bsmedberg/socorro,KaiRo-at/socorro,pcabido/socorro,cliqz/socorro,twobraids/socorro,cliqz/socorro,pcabido/socorro,lonnen/socorro,luser/socorro,luser/socorro,cliqz/socorro,AdrianGaudebert/socorro,luser/socorro,Tchanders/socorro,rhelmer/socorro,linearregression/socorro,AdrianGaudebert/socorro,Serg09/socorro,pcabido/socorro