在Power BI桌面应用程序中获取下面的名称错误。已经探索了一些堆栈溢出线程，但没有帮助。提前感谢。也在Power BI社区中放置相同的内容。
请参考下面的屏幕截图。

Python代码：

import matplotlib.pyplot as plt
dataset = pandas.DataFrame(Agent, Resolved)
dataset = dataset.drop_duplicates()
dataset.plot(kind='scatter', x='Agent', y='Resolved', color='green')
plt.show()

已尝试选项：

1.卸载并安装Power BI桌面应用程序。
1.尝试使用不同版本的Python。3.甚至尝试了python虚拟环境，但没有成功
Python和Power BI版本兼容性问题

stack-trace错误：

Feedback Type:
Frown (Error)

Error Message:
Python script error.
<pi>NameError: name 'Agent' is not defined
</pi>

Stack Trace:
JavaScript: Error
Microsoft.PowerBI.ExploreServiceCommon.ScriptHandlerException: Python script error.
NameError: name 'Agent' is not defined
---> Microsoft.PowerBI.Scripting.Python.Exceptions.PythonScriptRuntimeException: Python script error.
NameError: name 'Agent' is not defined

at Microsoft.PowerBI.Scripting.Python.PythonScriptWrapper.RunScript(String originalScript, Int32 timeoutMs)
at Microsoft.PowerBI.Client.Windows.Python.PythonScriptHandler.GenerateVisual(ScriptHandlerOptions options)
--- End of inner exception stack trace ---
at Microsoft.PowerBI.Client.Windows.Python.PythonScriptHandler.GenerateVisual(ScriptHandlerOptions options)
at Microsoft.PowerBI.ExploreHost.SemanticQuery.ScriptVisualCommandFlow.RunInternal(Stream dataShapeResultStream, QueryBindingDescriptor& bindingDescriptor)
at Microsoft.PowerBI.ExploreHost.SemanticQuery.ScriptVisualCommandFlow.Run(Stream dataShapeResultStream, QueryBindingDescriptor& bindingDescriptor)
at Microsoft.PowerBI.ExploreHost.SemanticQuery.ExecuteSemanticQueryFlow.TransformDataShapeResult(QueryCommand transformCommand, SemanticQueryDataShapeCommand command, Stream dataShapeResultStream, QueryBindingDescriptor& bindingDescriptor)
at Microsoft.PowerBI.ExploreHost.SemanticQuery.ExecuteSemanticQueryFlow.ExecuteDataQuery(IQueryResultDataWriter queryResultDataWriter, EngineDataModel engineDataModel, DataQuery query, Int32 queryId, ServiceErrorStatusCode& serviceErrorStatusCode, CancellationToken cancelToken)
at Microsoft.PowerBI.ExploreHost.SemanticQuery.ExecuteSemanticQueryFlow.ProcessAndWriteSemanticQueryCommands(IQueryResultsWriter queryResultsWriter, IList`1 queries, HashSet`1 pendingQueriesToCancel, EngineDataModel engineDataModel)

Stack Trace Message:
Python script error.
<pi>NameError: name 'Agent' is not defined
</pi>

Invocation Stack Trace:
at Microsoft.Mashup.Host.Document.ExceptionExtensions.GetCurrentInvocationStackTrace()
at Microsoft.Mashup.Client.UI.Shared.StackTraceInfo..ctor(String exceptionStackTrace, String invocationStackTrace, String exceptionMessage)
at Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.GetStackTraceInfo(Exception e)
at Microsoft.PowerBI.Client.Windows.Telemetry.PowerBIUserFeedbackServices.ReportException(IWindowHandle activeWindow, IUIHost uiHost, FeedbackPackageInfo feedbackPackageInfo, Exception e, Boolean useGDICapture)
at Microsoft.Mashup.Client.UI.Shared.UnexpectedExceptionHandler.<>c__DisplayClass14_0.<HandleException>b__0()
at Microsoft.Mashup.Client.UI.Shared.UnexpectedExceptionHandler.HandleException(Exception e)
at Microsoft.PowerBI.Client.PowerBIUnexpectedExceptionHandler.HandleException(Exception e)
at Microsoft.PowerBI.Client.Windows.Utilities.PowerBIFormUnexpectedExceptionHandler.HandleException(Exception e)
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Delegate.DynamicInvokeImpl(Object[] args)
at System.Windows.Forms.Control.InvokeMarshaledCallbackDo(ThreadMethodEntry tme)
at System.Windows.Forms.Control.InvokeMarshaledCallbackHelper(Object obj)
at System.Windows.Forms.Control.InvokeMarshaledCallback(ThreadMethodEntry tme)
at System.Windows.Forms.Control.InvokeMarshaledCallbacks()
at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
at System.Windows.Forms.WindowsFormsSynchronizationContext.Send(SendOrPostCallback d, Object state)
at Microsoft.PowerBI.Client.Windows.Services.UIBlockingService.AllowModalDialogs(Action action)
at Microsoft.PowerBI.Client.Windows.HostServiceDispatcher.<>c__DisplayClass14_0.<ExecuteOnUIThreadAndHandlePromise>b__0()
at Microsoft.PowerBI.Client.Windows.HostServiceDispatcher.ExecuteOnUIThreadAndHandlePromise[T](Func`1 func, IPromiseStore promiseStore, Int64 promiseHandle)
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop.InvokeCs(InteropCall call)
at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)
at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)
at Microsoft.Mashup.Client.UI.Shared.WindowManager.ShowModal[T](T dialog, Func`1 showModalFunction)
at Microsoft.PowerBI.Client.Program.<>c__DisplayClass6_0.<RunApplication>b__0()
at Microsoft.PowerBI.Client.Windows.IExceptionHandlerExtensions.<>c__DisplayClass3_0.<HandleExceptionsWithNestedTasks>b__0()
at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)
at Microsoft.PowerBI.Client.Program.RunApplication(String[] args)
at Microsoft.PowerBI.Client.Program.Main(String[] args)

PowerBINonFatalError:
{"AppName":"PBIDesktop","AppVersion":"2.118.621.0","ModuleName":"","Component":"","Error":"Error","MethodDef":"","ErrorOffset":"-1:-1","ErrorCode":""}

Snapshot Trace Logs:
C:\Users\AppData\Local\Microsoft\Power BI Desktop\FrownSnapShotc7961737-aeb3-43dc-8a36-8ba93ecf010a.zip

Model Default Mode:
Import

Model Version:
PowerBI_V3

Performance Trace Logs:
C:\Users\AppData\Local\Microsoft\Power BI Desktop\PerformanceTraces.zip

Enabled Preview Features:
PBI_enableWebView2
PQ_WebView2Connector
PBI_sparklines
PBI_scorecardVisual
PBI_NlToDax
PBI_fieldParametersSuperSwitch
PBI_horizontalFusion
PBI_setLabelOnExportPdf
PBI_newCard

Disabled Preview Features:
PBI_shapeMapVisualEnabled
PBI_SpanishLinguisticsEnabled
PBI_qnaLiveConnect
PBI_b2bExternalDatasetSharing
PBI_enhancedTooltips
PBI_angularRls
PBI_onObject
PBI_dynamicFormatString
PBI_oneDriveSave
PBI_oneDriveShare
PBI_gitIntegration

Disabled DirectQuery Options:
TreatHanaAsRelationalSource

Cloud:
GlobalCloud

PowerBIUserFeedbackServices_IsReported:
True