lib/pycall/pyerror.rb in pycall-0.1.0.alpha.20170419b vs lib/pycall/pyerror.rb in pycall-0.1.0.alpha.20170419

@@ -23,12 +23,11 @@
     attr_reader :type, :value, :traceback
 
     def to_s
       "#{type}: #{value}".tap do |msg|
         unless traceback.nil? || traceback.null?
-          if (strs = PyCall.format_traceback(traceback))
-            msg << "\n"
-            strs.each {|s| msg << s }
+          if (o = PyCall.format_traceback(traceback))
+            msg.concat("\n", *o)
           end
         end
       end
     end
   end