diff --git a/scienceworld/scienceworld.jar b/scienceworld/scienceworld.jar
index 706b7e4..310add3 100644
Binary files a/scienceworld/scienceworld.jar and b/scienceworld/scienceworld.jar differ
diff --git a/simulator/src/main/scala/scienceworld/runtime/pythonapi/PythonInterface.scala b/simulator/src/main/scala/scienceworld/runtime/pythonapi/PythonInterface.scala
index 313bbeb..1fb076f 100644
--- a/simulator/src/main/scala/scienceworld/runtime/pythonapi/PythonInterface.scala
+++ b/simulator/src/main/scala/scienceworld/runtime/pythonapi/PythonInterface.scala
@@ -1,6 +1,6 @@
 package scienceworld.runtime.pythonapi
 
-import java.io.PrintWriter
+import java.io.{File, FileOutputStream,PrintWriter}
 
 import main.scala.scienceworld.runtime.SimplifierProcessor
 import scienceworld.environments.EnvironmentMaker
@@ -331,7 +331,8 @@ class PythonInterface() {
     val objTree = agentInterface.get.universe.toJSON()
     if (path == "") return objTree
 
-    val pw = new PrintWriter(path)
+    val f = new File(path);
+    var pw = new PrintWriter(new FileOutputStream(f));
     pw.print(objTree)
     pw.close()
     return ""