Gracefully handle when self.observer is absent
Gracefully handle when self.observer is absent

After pickles / deepcopying etc..

colinhowe/mongoengine,closeio/mongoengine,prijindal/mongoengine,ms5/mongoengine,noirbizarre/mongoengine,MRigal/mongoengine,iandd0824/mongoengine,MakerReduxCorp/mongoengine,khallaghi/mongoengine,blaggacao/mongoengine,ConsumerPhysics/mongoengine,sourcelair/mongoengine,Davidrjx/mongoengine,touilleMan/mongoengine,cogniteev/mongoengine,aszwemin/mongoengine,DavidBord/mongoengine,9nix00/mongoengine,cogniteev/mongoengine,Multiposting/mongoengine,muhammad-ammar/mongoengine,MongoEngine/mongoengine,nathanial/mongoengine,losintikfos/mongoengine,yarneo/mongoengine,Davidrjx/mongoengine,eli-b/mongoengine,depop/mongoengine-stripped,elephanter/mongoengine,ProgressivePlanning/mongoengine,nicolascine/mongoengine,starsirius/mongoengine,gmacon/mongoengine,conversocial/mongoengine,Catstyle/mongoengine,gavincabbage/mongoengine,RussellLuo/mongoengine,larsbutler/mongoengine,hmarr/mongoengine,reallistic/mongoengine,WingGao/mongoengine,MakerReduxCorp/mongoengine,jimmyshen/mongoengine