GH with python script failed

[elvizlai]

CG  [13:16:38 ERR] An exception occurred while processing request
System.MissingMemberException: 'NoneType' object has no attribute 'Redraw'
   at Microsoft.Scripting.Interpreter.ThrowInstruction.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run3[T0,T1,T2,TRet](T0 arg0, T1 arg1, T2 arg2)
   at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
   at IronPython.Compiler.Ast.DynamicGetMemberExpression.GetMemberInstruction.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run4[T0,T1,T2,T3,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3)
   at IronPython.Compiler.PythonCallTargets.OriginalCallTarget3(PythonFunction function, Object arg0, Object arg1, Object arg2)
   at IronPython.Runtime.FunctionCaller`3.Call3(CallSite site, CodeContext context, Object func, T0 arg0, T1 arg1, T2 arg2)
   at System.Dynamic.UpdateDelegates.UpdateAndExecute5[T0,T1,T2,T3,T4,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
   at Microsoft.Scripting.Interpreter.DynamicInstruction`6.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run2[T0,T1,TRet](T0 arg0, T1 arg1)
   at IronPython.Compiler.PythonScriptCode.RunWorker(CodeContext ctx)
   at IronPython.Compiler.PythonScriptCode.Run(Scope scope)
   at IronPython.Compiler.RuntimeScriptCode.InvokeTarget(Scope scope)
   at IronPython.Compiler.RuntimeScriptCode.Run(Scope scope)
   at Microsoft.Scripting.Hosting.CompiledCode.Execute(ScriptScope scope)
   at RhinoPython.PyCompiledCode.Execute(PythonScript scope) in D:\BuildAgent\work\dujour\src4\rhino4\Plug-ins\ironpython\core\Runtime.cs:line 166
   at GhPython.Component.ScriptingAncestorComponent.SafeSolveInstance(IGH_DataAccess da)
   at GhPython.Component.SafeComponent.SolveInstance(IGH_DataAccess DA)
   at Grasshopper.Kernel.GH_Component.Solution_Compute_MixedAccess(GH_StructureIterator it)

another python simple code(just rs.AddPoint(xxxx) as output)

[13:37:31 ERR] HTTP POST /grasshopper responded 500 in 121.1635 ms
CG  [13:37:56 ERR] Error running script: 'NoneType' object has no attribute 'Redraw' [6:1]: component "Python 3 Script" (5e4e774f-c0ef-4f15-8b0b-b1613f447b6d)

change py3 to ironpy

CG  [14:44:37 ERR] Error running script: 'NoneType' object has no attribute 'Redraw' [5:1]: component "IronPython 2 Script" (7da95c3d-3b71-43a1-aa75-a49c7fc92eb2)