wxPython 3.0 breaks Application Manager about seawolf HOT 2 CLOSED

Traceback (most recent call last):
File "run.py", line 452, in <module>
    frame = AppRunnerFrame(None, -1, "Application Runner", size=wx.Size(1000, 400))
File "run.py", line 40, in __init__
    self.app_tree.SelectItem(self.app_tree.GetFirstVisibleItem())
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk2/wx/_controls.py", line 5509, in SelectItem
    return _controls_.TreeCtrl_SelectItem(*args, **kwargs)
wx._core.PyAssertionError: C++ assertion "item" failed at ../src/generic/treectlg.cpp(2209) in SelectItem(): SelectItem(): invalid tree item

[run.py]
    ...
38  self.app_tree.Bind(wx.EVT_TREE_SEL_CHANGED, self.on_app_select, id=self.app_tree.GetId())
39  self.app_tree.SetFocus()
40  #self.app_tree.SelectItem(self.app_tree.GetFirstVisibleItem()) #<--commenting out this line removes the issue with wxPython 3.0
41  self.panel_left_sizer.Add(self.app_tree, 1, wx.EXPAND)
    ...