models/app.rb in Pratt-1.6.2 vs models/app.rb in Pratt-1.6.4

@@ -4,12 +4,11 @@
   def log which, overwrite = false
     self.gui = which if (overwrite and gui?(which) ) || gui?('')
     save!
   end
 
-  def gui? which = '', log_err = false
+  def gui? which = ''
     match = (self.gui == which)
-#    $stderr.write("#{which} already being displayed\n") if log_err
     match
   end
 
   def unlock
     self.gui = ''