Fix assertions in `edit_code.js`
Fix assertions in `edit_code.js`

PencilCode/pencilcode,dweintrop/pencilcode,dweintrop/pencilcode,PencilCode/pencilcode,Dinuka2013513/pencilcode,sakagg/pencilcode,sakagg/pencilcode,Dinuka2013513/pencilcode,xinan/pencilcode,cacticouncil/pencilcode,dweintrop/pencilcode,Dinuka2013513/pencilcode,cacticouncil/pencilcode,PencilCode/pencilcode,xinan/pencilcode,dweintrop/pencilcode,sakagg/pencilcode,cacticouncil/pencilcode,sakagg/pencilcode,PencilCode/pencilcode,xinan/pencilcode,cacticouncil/pencilcode,Dinuka2013513/pencilcode,xinan/pencilcode