How to correct attribute error?

[jay manu]

'myApp' object has no attribute 'closebtn'

import wx, os, shutil, fnmatch, sys, textwrap, re
import wx.lib.intctrl

class myApp(wx.Frame):
    def __init__(self,parent,id):
        wx.Frame.__init__(self,parent,id,'Export Form', size=(500,500))
        panel =wx.Panel(self)

        #Creating Static texts
        text1 =wx.StaticText(panel, -1,"Select Data Source",(150,10),(150,-1),wx.ALIGN_CENTER)
        text1.SetForegroundColour('Blue')
        #text1.SetBackgroundColour('Blue')


        text2 =wx.StaticText(panel, -1,"Use Chain Seeds",(40,60),(150,-1),wx.ALIGN_LEFT)
        text3 =wx.StaticText(panel, -1,"Use Custom Seeds",(40,90),(200,-1),wx.ALIGN_LEFT)
        text4 =wx.StaticText(panel, -1,"Export template",(140,130),(200,-1),wx.ALIGN_LEFT)
        text5 =wx.StaticText(panel, -1,"Apply Selection",(210,310),(200,-1),wx.ALIGN_LEFT)
        text6 =wx.StaticText(panel, -1,"Return to main menu",(210,360),(200,-1),wx.ALIGN_LEFT)
        # Setting the fonts
        font1 =wx.Font(15, wx.FONTFAMILY_MODERN, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_BOLD)
        font2 =wx.Font(10, wx.FONTFAMILY_MODERN, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_BOLD)
        
        #Applying Fonts
        text1.SetFont(font1)
        text2.SetFont(font2)
        text3.SetFont(font2)
        text4.SetFont(font2)
        text5.SetFont(font2)
        text6.SetFont(font2)
        
        #Creating Buttons
        button1 =wx.Button(panel,label="Export",pos=(75,120),size=(50,30))
        button2 =wx.Button(panel,label="Select Custom Data File",pos=(90,200),size=(150,30))
        button3 =wx.Button(panel,label="",pos=(150,300),size=(50,30))
        button4 =wx.Button(panel,label="",pos=(150,350),size=(50,30))

              
        #Creating Radio Buttons
        rb1 =wx.RadioButton(panel, -1,'',(25,60),style=wx.RB_GROUP)
        rb2 =wx.RadioButton(panel, -1,'',(25,90))

        self.Bind(wx.EVT_BUTTON, self.closebtn, button1)

        def closebtn(self,event):
            self.Close(True)
                   
if __name__ == '__main__':
    app=wx.PySimpleApp()
    frame=myApp(parent=None,id=-1)
    frame.Show()
    app.MainLoop()

[bvdet]

Your indentation is incorrect. Move method "closebtn" out to the same indentation as "__init__".