diff --git a/gaboshlib/g_python.sh b/gaboshlib/g_python.sh
index cfa10b2..94bccaa 100644
--- a/gaboshlib/g_python.sh
+++ b/gaboshlib/g_python.sh
@@ -24,7 +24,10 @@ function g_python {
     exec {g_fd_python_out}< "$python_output"
     exec {g_fd_python_error}< "$python_error"
   fi
-  
+ 
+  # read potential old output
+  read -t 0.001 -u ${g_fd_python_out} g_python_result_old
+ 
   # send python command
   echo "$@
 print('')" >&${g_fd_python_in}