Fix errors if pry-nav is unavailable
Fix errors if pry-nav is unavailable

Witos/dotfiles,plribeiro3000/dotfiles,robinrob/framework,xkonni/dotfiles,lhrkkk/yadr,tallamjr/yadr-fork,fayimora/dotfiles-1,rockymontana/skwp-dotfiles,rchampourlier/dotfiles,kirthar/dotfiles,tkuichooseyou/dotfiles,rchampourlier/dotfiles,ds82/dotfiles,ttriggs/dotfiles,argami/dotfiles,raiseandfall/vim-tmux-dotfiles,gnpkrish/yadr,jameszaghini/dotfiles,tosbourn/dotfiles,diego9627/dotfiles,daxgames/dotfiles,Sumukh/dotfiles,andrewSC/dotfiles,brazencavalier/dotfiles,flyingfsck/dotfiles,codedecay/dotfiles-1,sideci-sample/sideci-sample-dotfiles,333fred/dotfiles_yadr,41407/dotfiles,Xiaobin0860/dotfiles,aeikenberry/yardr_dotfiles,summera/yadr-alt,martco/yadr,javigon/dotfiles,negativo/dotfiles-2,j-mcnally/dotfiles,bcrochet/dotfiles,davidjaw/dotfiles,kdheepak89/yadr-dotfiles,andreazevedo/mac_dotfiles,qianthinking/dotfiles,pruan-rht/dotfiles,pswaminathan/dotfiles,skjerven/dotfiles,Jojo-Jojovich/dotfiles,javigon/dotfiles,uhjish/dotfiles,walkleyn/dotfiles,jo-tez/yadr,bobek/dotfiles,katgironpe/dotfiles,lfilho/dotfiles,1gitGrey/dotfiles-1,pulni/mac_dotfiles,renoirb/ubuntu-yadr,phongjalvn/dotfiles,argyakrivos/dotfiles,fernandoaleman/yadr,tigershen23/dotfiles,skwp/dotfiles,tonynguyen68/dotfiles,talbright/skwp-dotfiles,ramiroaraujo/dotfiles,leiklier/dotfiles,andyattebery/dotfiles,uhjish/dotfiles,pietia/yadr,leiklier/dotfiles,swanandp/dotfiles,ktemkin/dotfiles,swanandp/dotfiles,c-j-j/dotfiles-yadr,stevenbarragan/dotfiles,pairshaped/dotfiles,martco/yadr,tientun/dotfiles,kerbyfc/kdr,ChrisMcKenzie/dotfiles,trongrg/dotfiles,wesson-yi/dotfiles,andyattebery/dotfiles,sevenadrian/dotfiles,denyago/dotfiles,nyxwulf/dotfiles,gnpkrish/yadr,tokeryberg/dotfiles-2,argami/dotfiles,qianthinking/dotfiles,minhoolee/skwp-dotfiles,rhysyngsun/dotfiles,talbright/skwp-dotfiles,hulajesus/dotfiles,davepgreene/yadr,uhjish/dotfiles,bionix/dotfiles-1,joesus/dotfiles,NikitaAvvakumov/dotfiles,jo-tez/yadr,RyanMacG/dotfiles-1,KonradJanica/yadr-tm,fayimora/dotfiles-1,ktemkin/dotfiles,atsapov/dotfiles,minhoolee/skwp-dotfiles,valentinzberea/dotfiles-yadr,zelga/dotfiles,mcmonkeyman/mcmonkeymans-fork-o-dotfiles,fogisland/dotfiles,jckdrpr/dotfiles-1,sayar/dotfiles,zhang-ning/yadr,nyxwulf/dotfiles,phongjalvn/dotfiles,periodic1236/dotfiles,svdberg/dotfiles,nakolkin/dotfiles,fayimora/dotfiles,captainmike/dotfiles,bob2314/dotfiles-1,1gitGrey/dotfiles-1,SherrySeibel/dotfiles,barodeur/dotfiles,mdarnall/dotfiles,barodeur/dotfiles,daxgames/dotfiles,fabiopelosin/dotfiles,skwp/dotfiles,uni380/dotfiles,ashlynbaum/dotfiles,joeyyang/yadr,ernestonakamura/dotfiles,tallamjr/yadr-fork,kanche/dotfiles,zhenyuy-fb/dotfiles,lfilho/dotfiles,rockwarrior/dotfiles,mpeter/dotfiles,neilor/dotfiles,rockwarrior/dotfiles,ignasi/dotfiles,sztupy/dotfiles,KonradJanica/yadr-tm,codedecay/dotfiles-1,wesleyskap/dotfiles-1,agamble/dotfiles,j-mcnally/dotfiles,kqyang/dotfiles,kanche/dotfiles,ccll/dotfiles,fayimora/dotfiles-1,uhjish/dotfiles,kerbyfc/kdr,K3yChain/yadr,juvoni/dotfiles-1,btroo/dotfiles,jckdrpr/dotfiles-1,gupta-tarun/dotfiles,aeikenberry/yardr_dotfiles,joesus/dotfiles,giorni/dotfiles,GiorgioNatili/vim,fayimora/vps_dotfiles,ChrisMcKenzie/dotfiles,333fred/dotfiles_yadr,jameszaghini/dotfiles,bionix/dotfiles-1,tripl3inf/dotfiles,ccll/dotfiles,aqibmushtaq/dotfiles,ramiroaraujo/dotfiles,uhjish/dotfiles,pruan-rht/dotfiles,juvoni/dotfiles-1,lyanderson/dotfiles,chenhoward/dotfiles,demis001/dotfiles,minhoolee/skwp-dotfiles,pulni/mac_dotfiles,olslash/dotfiles,kdheepak89/yadr-dotfiles,kylewest/yadr,marcvreuls/dotfiles,swinstanley/dotfiles-1,K3yChain/yadr,lhrkkk/yadr,neanias/dotfiles,yjlintw/dotfiles,fayimora/vps_dotfiles,hophacker/dotfiles,jckdrpr/dotfiles-1,mpeter/dotfiles,renoirb/ubuntu-yadr,walkleyn/dotfiles,renoirb/ubuntu-yadr,chenhoward/dotfiles,sandeepjain/dotfiles,mba811/dotfiles,skjerven/dotfiles,Witos/dotfiles,nikolai-b/dotfiles,bobek/dotfiles,pswaminathan/dotfiles,patarra/dotfiles,ohnorobo/dotfiles,rrmartins/my_yadr,xkonni/dotfiles,yjlintw/dotfiles,diego9627/dotfiles,ptgamr/dotfiles-2,patarra/dotfiles,stinoga/dotfiles-1,lfilho/dotfiles,davidjaw/dotfiles,kierangraham/dotfiles,mente/dotfiles,nrolland/dotfiles,bcrochet/dotfiles,nrolland/dotfiles,alex-wood/dotfiles,jby/dotfiles,nkgm/dotfiles,fabiopelosin/dotfiles,hophacker/dotfiles,plribeiro3000/dotfiles,kierangraham/dotfiles,alex-wood/dotfiles,kierangraham/dotfiles,giorni/dotfiles,marcvreuls/dotfiles,ashlynbaum/dotfiles,tyok/dotfiles,romansalin/dotfiles,kerbyfc/kdr,tripl3inf/dotfiles,michaeljacobdavis/dotfiles-yadr,demis001/dotfiles,lhrkkk/yadr,sideci-sample/sideci-sample-dotfiles,andrewSC/dotfiles,theone4ever/dotfiles,koheku/dotfiles,sangtt/mdotfiles,kylewest/yadr,tigershen23/dotfiles,trongrg/dotfiles,uni380/dotfiles,jby/dotfiles,xvaara/dotfiles,sayar/dotfiles,zhang-ning/yadr,romansalin/dotfiles,josanastrid/dotfiles,drajguru/dotfiles,raiseandfall/vim-tmux-dotfiles,mba811/dotfiles,stevenbarragan/dotfiles,thekindofme/dotfiles,katgironpe/dotfiles,tmullen/dotfiles,Xiaobin0860/dotfiles,backus/yadr,ttriggs/dotfiles,Sumukh/dotfiles,olslash/dotfiles,ds82/d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