unbound method () must be called with ... instance as first argument (got nothing instead)

[Mohsen Pahlevanzadeh]

Solved, i changed my connect function to:
QtCore.QObject.connect(self.pushButtonAdd,
QtCore.SIGNAL(_fromUtf8("clicked()")),self.showHideConstructor.showFindMaterials)
On Wed, 2013-09-04 at 02:00 +0430, Mohsen Pahlevanzadeh wrote:
> Dear all,
> 
> I have the following two lines code in my setup frame:
>  ////////////////////// 
>  self.showHideConstructor = ui.interface.interface.ShowHide()
>  QtCore.QObject.connect(self.pushButtonAdd,
> QtCore.SIGNAL(_fromUtf8("clicked()")),self.showHideConstructor,ui.interface.interface.ShowHide.showFindMaterials())
> //////////////////////
> 
> and i have module ui.interface.interface , it contains ShowHide class,
> and it consists showFindMaterials() method.
> 
> When i run program , i get the following traceback :
> ///////////////////////////////////////////
> Traceback (most recent call last):
>   File "./main.py", line 113, in <module>
>     main()
>   File "./main.py", line 94, in main
>     interfaceObj.showMaterials()
>   File "/home/mohsen/codes/amlak/amlak/src/ui/interface/interface.py",
> line 82, in showMaterials
>     self.ui.setupUi(self.Frame)
>   File "/home/mohsen/codes/amlak/amlak/src/ui/materialsFrame.py", line
> 92, in setupUi
>     QtCore.QObject.connect(self.pushButtonAdd,
> QtCore.SIGNAL(_fromUtf8("clicked()")),self.showHideConstructor,ui.interface.interface.ShowHide.showFindMaterials())
> TypeError: unbound method showFindMaterials() must be called with
> ShowHide instance as first argument (got nothing instead)
> ///////////////////////////////////////////////
> 
> Where's problem?
> 
> 
>