wxPython; adding a grid to a panel

[Moynes James]

I am a Python newbie hoping for some help with wxPython.

I am trying to build a frame which will display a wx.grid and a number
of other widgets (text controls, static text and buttons). In all the
example scripts I have seen, a gird is added directly to a frame; is it
possible to place a grid in a box sizer or on a wx.Panel so that it can
be arranged with other widgets in the same frame? 

In the script below I have added two panels to a frame. I want to
display the grid in one panel (and later on add other widgets to the
other panel), but I cannot get the grid to display properly.

What am I doing wrong?

Thanks in advance for your help,

James

#################################################
import wx
import wx.grid

class TestTable(wx.grid.PyGridTableBase):
    def __init__(self):
        wx.grid.PyGridTableBase.__init__(self)
        self.rowLabels = ["uno", "dos", "tres", "quatro", "cinco"]
        self.colLabels = ["homer", "marge", "bart", "lisa", "maggie"]

        
    def GetNumberRows(self):
        return 5

    def GetNumberCols(self):
        return 5

    def IsEmptyCell(self, row, col):
        return False

    def GetValue(self, row, col):
        return "(%s,%s)" % (self.rowLabels[row], self.colLabels[col])

    def SetValue(self, row, col, value):
        pass
        
    def GetColLabelValue(self, col):
        return self.colLabels[col]
       
    def GetRowLabelValue(self, row):
        return self.rowLabels[row]

class TestFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, title="Grid Table",
                          size=(500,200))
        panel1 = wx.Panel(self, -1)
        panel2 = wx.Panel(self, -1)
        hbox1 = wx.BoxSizer(wx.HORIZONTAL)

        hbox1.Add(panel1, 1, wx.EXPAND | wx.ALL, 3)
        hbox1.Add(panel2, 1, wx.EXPAND | wx.ALL, 3)
        
        grid = wx.grid.Grid(panel2, wx.EXPAND)
        table = TestTable()
        grid.SetTable(table, True)
        self.SetSizer(hbox1)
        
app = wx.PySimpleApp()
frame = TestFrame()
frame.Show()
app.MainLoop()

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