checkboxes

import wx

class CheckBoxFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, -1, 'Export Sequences', size=(500, 700))
        self.panel = wx.Panel(self, -1)

        mainSizer = wx.BoxSizer(wx.VERTICAL)
        self.panel.sizer = wx.GridBagSizer(hgap=5, vgap=5)

        # Check boxes for output formats
        formats = ["Seperate Fasta File", "Multiple Fasta File", "Seperate CSV File",
                  "Multiple CSV File"]

        row = 1
        for lable in formats:
            self.make_widgets(lable, row, id=row)
            row += 1

        mainSizer.Add(self.panel.sizer, 0, wx.ALL, 10)
        self.panel.SetSizer(mainSizer)
        mainSizer.Fit(self.panel)
        mainSizer.SetSizeHints(self.panel)

    def EvtCheckBox(self, evt):
        # CB conditions
        cb_single_fas = self.panel.FindWindowByLabel("Seperate Fasta File")
        cb_multi_fas = self.panel.FindWindowByLabel("Multiple Fasta File")
        cb_single_csv = self.panel.FindWindowByLabel("Seperate CSV File")
        cb_multi_csv = self.panel.FindWindowByLabel("Multiple CSV File")

        if cb_single_fas.GetValue() == True:
            cb_multi_fas.Enable(False)
            cb_single_csv.Enable(False)
            cb_multi_csv.Enable(False)
        elif cb_single_fas.GetValue() == False:
            cb_multi_fas.Enable(True)
            cb_single_csv.Enable(True)
            cb_multi_csv.Enable(True)
        elif cb_single_csv.GetValue() == True:
            cb_multi_fas.Enable(False)
            cb_single_fas.Enable(False)
            cb_multi_csv.Enable(False)
        elif cb_single_csv.GetValue() == False:
            cb_multi_fas.Enable(True)
            cb_single_fas.Enable(True)
            cb_multi_csv.Enable(True)


    def make_widgets(self, lable, row, id):
        """Function to create text and cb widgets."""
        # Widgets
        cb = wx.CheckBox(self.panel, id, lable, (90, 50), (-1, -1))
        self.Bind(wx.EVT_CHECKBOX, self.EvtCheckBox, cb)

        # Fonts
        cb.SetFont(wx.Font(10, wx.SWISS, wx.NORMAL, wx.NORMAL))
        # Sizers
        self.panel.sizer.Add(cb, pos=(row, 3))


if __name__ == '__main__':
    app = wx.PySimpleApp()
    CheckBoxFrame().Show()
    app.MainLoop()