PyRevit ReOrder Sheet Error

[Robbo1234]

To Reproduce
Steps to reproduce the behavior:

1. Go to PyRevit Sheet
2. Click on ReOrder Sheet
3. Refer to below the error

IronPython Traceback:
Traceback (most recent call last):
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 195, in 
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 34, in __init__
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 63, in grouping_pattern
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 145, in grouping_pattern_changed
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 68, in _refresh
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 46, in items_list
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 75, in _update_order_indices
TypeError: NoneType is not iterable


Script Executor Traceback:
IronPython.Runtime.Exceptions.TypeErrorException: NoneType is not iterable
 at IronPython.Runtime.Operations.PythonOps.GetEnumerator(CodeContext context, Object o)
 at IronPython.Runtime.Enumerate..ctor(Object iter)
 at CallSite.Target(Closure , CallSite , CodeContext , Object , Object )
 at Microsoft.Scripting.Interpreter.DynamicInstruction`4.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.Runtime.Method.MethodBinding.SelfTarget(CallSite site, CodeContext context, Object target)
 at Microsoft.Scripting.Interpreter.DynamicInstruction`3.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 CallSite.Target(Closure , CallSite , Object , Object )
 at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
 at Microsoft.Scripting.Interpreter.DynamicInstruction`3.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.Runtime.Method.MethodBinding.SelfTarget(CallSite site, CodeContext context, Object target)
 at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
 at Microsoft.Scripting.Interpreter.DynamicInstruction`3.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 CallSite.Target(Closure , CallSite , Object , Object , TextChangedEventArgs )
 at System.Dynamic.UpdateDelegates.UpdateAndExecute3[T0,T1,T2,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2)
 at _Scripting_(Object[] , Object , TextChangedEventArgs )
 at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
 at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
 at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
 at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
 at System.Windows.Controls.Primitives.TextBoxBase.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
 at System.Windows.Controls.TextBox.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
 at System.Windows.Documents.TextContainerChangedEventHandler.Invoke(Object sender, TextContainerChangedEventArgs e)
 at System.Windows.Documents.TextContainer.EndChange(Boolean skipEvents)
 at System.Windows.Documents.TextRangeBase.EndChange(ITextRange thisRange, Boolean disableScroll, Boolean skipEvents)
 at System.Windows.Documents.TextRange.ChangeBlock.System.IDisposable.Dispose()
 at System.Windows.Controls.TextBox.OnTextPropertyChanged(String oldText, String newText)
 at System.Windows.Controls.TextBox.OnTextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
 at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
 at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
 at System.Windows.Controls.TextBox.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
 at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
 at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
 at System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
 at System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
 at CallSite.Target(Closure , CallSite , Object , Object )
 at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
 at Microsoft.Scripting.Interpreter.DynamicInstruction`3.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.UpdateAndExecute4[T0,T1,T2,T3,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
 at CallSite.Target(Closure , CallSite , Object , Object )
 at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
 at Microsoft.Scripting.Interpreter.DynamicInstruction`3.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.UpdateAndExecute4[T0,T1,T2,T3,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
 at IronPython.Runtime.Types.LateBoundInitBinder.FastInitSite`1.CallTarget(CallSite site, CodeContext context, Object inst, T0 arg0)
 at System.Dynamic.UpdateDelegates.UpdateAndExecute3[T0,T1,T2,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2)
 at IronPython.Runtime.Types.PythonType.FastTypeSite`1.CallTarget(CallSite site, CodeContext context, Object type, T0 arg0)
 at System.Dynamic.UpdateDelegates.UpdateAndExecute3[T0,T1,T2,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2)
 at Microsoft.Scripting.Interpreter.DynamicInstruction`4.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 PyRevitBaseClasses.ScriptExecutor.ExecuteScript(PyRevitCommandRuntime& pyrvtCmd)

Expected behavior
PyRevit ReOrder Sheet dialog opens,

Screenshots

Desktop (please complete the following information):

• OS: [Windows 7]
• pyRevit Version [4.6.19]
• pyRevit Environment: Open a command prompt and run the command below. Replace these lines with the results. Take a look at this markdown guide and wrap the command results in ``` when pasting here for correct formatting.

[eirannejad]

Resolved. Thanks for the report.

[Robbo1234]

Fyi, I got this error using the latest version of PyRevit 4.8.0.

To Reproduce
Steps to reproduce the behavior:

Go to PyRevit Sheet
Click on ReOrder Sheet
Refer to below the error

IronPython Traceback:
Traceback (most recent call last):
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 200, in <module>
 File "C:\Users\rob.cross\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Drawing Set.panel\Sheets.pulldown\ReOrder Sheets.pushbutton\script.py", line 159, in move_10_to_top
IndexError: index out of range: 0


Script Executor Traceback:
System.IndexOutOfRangeException: index out of range: 0
 at IronPython.Runtime.Operations.PythonOps.FixIndex(Int32 v, Int32 len)
 at IronPython.Runtime.List.get_Item(Int32 index)
 at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
 at Microsoft.Scripting.Interpreter.DynamicInstruction`3.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 CallSite.Target(Closure , CallSite , Object , Object , RoutedEventArgs )
 at System.Dynamic.UpdateDelegates.UpdateAndExecute3[T0,T1,T2,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2)
 at _Scripting_(Object[] , Object , RoutedEventArgs )
 at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
 at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
 at System.Windows.Controls.Primitives.ButtonBase.OnClick()
 at System.Windows.Controls.Button.OnClick()
 at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
 at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
 at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
 at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
 at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
 at System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
 at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
 at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
 at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
 at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
 at System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
 at System.Windows.Input.InputManager.ProcessStagingArea()
 at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
 at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
 at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
 at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
 at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
 at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
 at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
 at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
 at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
 at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
 at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
 at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
 at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
 at System.Windows.Window.ShowHelper(Object booleanBox)
 at System.Windows.Window.ShowDialog()
 at Microsoft.Scripting.Interpreter.FuncCallInstruction`2.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 Microsoft.Scripting.Interpreter.DynamicInstruction`3.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 PyRevitLabs.PyRevit.Runtime.IronPythonEngine.Execute(ScriptRuntime& runtime)

[eirannejad]

How many sheets are in that model? Seems like I have a list index bug. Might be happening on models with large # of sheets maybe?

[Robbo1234]

I ran the tested on the out of the box Revit Sample Revit model "rac_basic_sample_project.rvt" (metric) which has 6 Revit sheets.

[eirannejad]

Fixed and will be published with next release