middlewares.rb in ddtrace-0.10.0

- old
+ new

@@ -19,10 +19,10 @@
         # as we really have no clue of what is in the block,
         # and it is user code which should be executed no matter what.
         # It's not a problem since we re-raise it afterwards so for example a
         # SignalException::Interrupt would still bubble up.
         rescue Exception => e
-          tracer = ::Rails.configuration.datadog_trace.fetch(:tracer)
+          tracer = Datadog.configuration[:rails][:tracer]
           span = tracer.active_span()
           span.set_error(e) unless span.nil?
           raise e
         end
       end