我已成功安装了Python3.1，PyQt4和Eric5 IDE，但每次使用Eric5打开.py文件时，都会发出如下警告：
Warning:
An unhandled exception occurred. Please report the problem
using the error reporting dialog or via email to <eric5-bugs@eric-ide.python-projects.org>.
A log has been written to "C:\Documents and Settings\Qiming.Lan\_eric5\eric5_error.log".
Error information:
--------------------------------------------------------------------------------
2012-09-07, 10:02:01
--------------------------------------------------------------------------------
<class 'TypeError'>:
unable to convert a QVariant back to a Python object
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
Version Numbers:
Python 3.1.3
Qt 4.6.1
PyQt4 4.7
sip 4.10
QScintilla 2.4.2
WebKit 532.4
eric5 5.2.5 (rev 2aa482eda9da)
Platform: win32
3.1.3 (r313:86834, Nov 27 2010, 18:30:53) [MSC v.1500 32 bit (Intel)]
--------------------------------------------------------------------------------
Plugins Version Numbers:
PluginAbout 5.1.0
PluginEricapi 5.1.0
PluginEricdoc 5.1.0
PluginPep8Checker 5.1.0
PluginSyntaxChecker 5.1.0
PluginTabnanny 5.1.0
PluginVcsMercurial 5.1.0
PluginVcsPySvn 5.1.0
PluginVcsSubversion 5.1.0
PluginVmListspace 5.1.0
PluginVmTabview 5.1.0
PluginWizardE5MessageBox 5.1.0
PluginWizardPyRegExp 5.1.0
PluginWizardQColorDialog 5.1.0
PluginWizardQFileDialog 5.1.0
PluginWizardQFontDialog 5.1.0
PluginWizardQInputDialog 5.1.0
PluginWizardQMessageBox 5.1.0
PluginWizardQRegExp 5.1.0
这真让我烦恼，因为当我尝试编辑.py文件时，这个警告会一次又一次出现!!!