lib/asir/transport/file.rb in asir-1.0.4 vs lib/asir/transport/file.rb in asir-1.0.5

@@ -16,10 +16,10 @@
 
       # Writes a Message payload String.
       def _send_message message, message_payload
         _write message_payload, stream
       ensure
-        close if ::File.pipe?(file)
+        close if file && ::File.pipe?(file)
       end
 
       # Returns a Message payload String.
       def _receive_message stream, additional_data
         [ _read(stream), nil ]