poly_crash

---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/app/backends/_qt.py in keyPressEvent(self=<vispy.app.backends._qt.CanvasBackendDesktop object>, ev=<PyQt5.QtGui.QKeyEvent object>)
    500
    501     def keyPressEvent(self, ev):
--> 502         self._keyEvent(self._vispy_canvas.events.key_press, ev)
        self._keyEvent = <bound method QtBaseCanvasBackend._keyEvent of <vispy.app.backends._qt.CanvasBackendDesktop object at 0x7f98f79270d0>>
        self._vispy_canvas.events.key_press = <vispy.util.event.EventEmitter object at 0x7f98f7919d90>
        ev = <PyQt5.QtGui.QKeyEvent object at 0x7f98e048ea60>
    503
    504     def keyReleaseEvent(self, ev):

~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/app/backends/_qt.py in _keyEvent(self=<vispy.app.backends._qt.CanvasBackendDesktop object>, func=<vispy.util.event.EventEmitter object>, ev=<PyQt5.QtGui.QKeyEvent object>)
    549             key = None
    550         mod = self._modifiers(ev)
--> 551         func(native=ev, key=key, text=text_type(ev.text()), modifiers=mod)
        func = <vispy.util.event.EventEmitter object at 0x7f98f7919d90>
        global native = undefined
        ev = <PyQt5.QtGui.QKeyEvent object at 0x7f98e048ea60>
        key = <Key 'Backspace'>
        global text = undefined
        global text_type = <class 'str'>
        ev.text = <built-in method text of QKeyEvent object at 0x7f98e048ea60>
        global modifiers = undefined
        mod = ()
    552
    553     def _modifiers(self, event):

~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/util/event.py in __call__(self=<vispy.util.event.EventEmitter object>, *args=(), **kwargs={'key': <Key 'Backspace'>, 'modifiers': (), 'native': <PyQt5.QtGui.QKeyEvent object>, 'text': '\x7f'})
    453                     continue
    454
--> 455                 self._invoke_callback(cb, event)
        self._invoke_callback = <bound method EventEmitter._invoke_callback of <vispy.util.event.EventEmitter object at 0x7f98f7919d90>>
        cb = <bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object at 0x7f98f77737c0>>
        event = <KeyEvent blocked=False handled=False key=<Key 'Backspace'> modifiers=() native=<PyQt5.QtGui.QKeyEvent object at 0x7f98e048ea60> source=None sources=[] text= type=key_press>
    456                 if event.blocked:
    457                     break

~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/util/event.py in _invoke_callback(self=<vispy.util.event.EventEmitter object>, cb=<bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object>>, event=<KeyEvent blocked=False handled=False key=<Key '...60> source=None sources=[] text= type=key_press>)
    471             cb(event)
    472         except Exception:
--> 473             _handle_exception(self.ignore_callback_errors,
        global _handle_exception = <function _handle_exception at 0x7f98f3c6c700>
        self.ignore_callback_errors = False
        self.print_callback_errors = 'reminders'
        self = <vispy.util.event.EventEmitter object at 0x7f98f7919d90>
        global cb_event = undefined
        cb = <bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object at 0x7f98f77737c0>>
        event = <KeyEvent blocked=False handled=False key=<Key 'Backspace'> modifiers=() native=<PyQt5.QtGui.QKeyEvent object at 0x7f98e048ea60> source=None sources=[] text= type=key_press>
    474                               self.print_callback_errors,
    475                               self, cb_event=(cb, event))

~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/util/event.py in _invoke_callback(self=<vispy.util.event.EventEmitter object>, cb=<bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object>>, event=<KeyEvent blocked=False handled=False key=<Key '...60> source=None sources=[] text= type=key_press>)
    469     def _invoke_callback(self, cb, event):
    470         try:
--> 471             cb(event)
        cb = <bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object at 0x7f98f77737c0>>
        event = <KeyEvent blocked=False handled=False key=<Key 'Backspace'> modifiers=() native=<PyQt5.QtGui.QKeyEvent object at 0x7f98e048ea60> source=None sources=[] text= type=key_press>
    472         except Exception:
    473             _handle_exception(self.ignore_callback_errors,

~/dev/napari/napari/utils/key_bindings.py in on_key_press(self=<napari.utils.key_bindings.KeymapHandler object>, event=<KeyEvent blocked=False handled=False key=<Key '...60> source=None sources=[] text= type=key_press>)
    482
    483         combo = components_to_key_combo(event.key.name, event.modifiers)
--> 484         self.press_key(combo)
        self.press_key = <bound method KeymapHandler.press_key of <napari.utils.key_bindings.KeymapHandler object at 0x7f98f77737c0>>
        combo = 'Backspace'
    485
    486     def on_key_release(self, event):

~/dev/napari/napari/utils/key_bindings.py in press_key(self=<napari.utils.key_bindings.KeymapHandler object>, key_combo='Backspace')
    438             )
    439
--> 440         gen = func()
        gen = undefined
        func = <bound method delete_selected of <Shapes layer 'Shapes' at 0x7f98df07c220>>
    441
    442         if inspect.isgeneratorfunction(func):

~/dev/napari/napari/layers/shapes/_shapes_key_bindings.py in delete_selected(layer=<Shapes layer 'Shapes'>)
    133 def delete_selected(layer):
    134     """Delete any selected shapes."""
--> 135     layer.remove_selected()
        layer.remove_selected = <bound method Shapes.remove_selected of <Shapes layer 'Shapes' at 0x7f98df07c220>>
    136
    137

~/dev/napari/napari/layers/shapes/shapes.py in remove_selected(self=<Shapes layer 'Shapes'>)
   2248             )
   2249         self.selected_data = set()
-> 2250         self._finish_drawing()
        self._finish_drawing = <bound method Shapes._finish_drawing of <Shapes layer 'Shapes' at 0x7f98df07c220>>
   2251
   2252     def _rotate_box(self, angle, center=[0, 0]):

~/dev/napari/napari/layers/shapes/shapes.py in _finish_drawing(self=<Shapes layer 'Shapes'>, event=None)
   2184                 self._data_view.edit(index, vertices[:-1])
   2185         if self._is_creating is True and self._mode == Mode.ADD_POLYGON:
-> 2186             vertices = self._data_view.shapes[index].data
        vertices = undefined
        self._data_view.shapes = []
        index.data = undefined
   2187             if len(vertices) <= 3:
   2188                 self._data_view.remove(index)

IndexError: list index out of range
^\Quit (core dumped)
(napari) ~/dev/napari master↑·1|⚑63 $ git checkout =
error: pathspec '=' did not match any file(s) known to git
(napari) ~/dev/napari master↑·1|⚑63 $ git checkout -
Switched to branch 'action_layers'
(napari) ~/dev/napari action_layers|⚑63 $ napari
---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/app/backends/_qt.py in keyPressEvent(self=<vispy.app.backends._qt.CanvasBackendDesktop object>, ev=<PyQt5.QtGui.QKeyEvent object>)
    500
    501     def keyPressEvent(self, ev):
--> 502         self._keyEvent(self._vispy_canvas.events.key_press, ev)
        self._keyEvent = <bound method QtBaseCanvasBackend._keyEvent of <vispy.app.backends._qt.CanvasBackendDesktop object at 0x7f925a19b4c0>>
        self._vispy_canvas.events.key_press = <vispy.util.event.EventEmitter object at 0x7f925a19e550>
        ev = <PyQt5.QtGui.QKeyEvent object at 0x7f92427f5790>
    503
    504     def keyReleaseEvent(self, ev):

~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/app/backends/_qt.py in _keyEvent(self=<vispy.app.backends._qt.CanvasBackendDesktop object>, func=<vispy.util.event.EventEmitter object>, ev=<PyQt5.QtGui.QKeyEvent object>)
    549             key = None
    550         mod = self._modifiers(ev)
--> 551         func(native=ev, key=key, text=text_type(ev.text()), modifiers=mod)
        func = <vispy.util.event.EventEmitter object at 0x7f925a19e550>
        global native = undefined
        ev = <PyQt5.QtGui.QKeyEvent object at 0x7f92427f5790>
        key = <Key 'Backspace'>
        global text = undefined
        global text_type = <class 'str'>
        ev.text = <built-in method text of QKeyEvent object at 0x7f92427f5790>
        global modifiers = undefined
        mod = ()
    552
    553     def _modifiers(self, event):

~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/util/event.py in __call__(self=<vispy.util.event.EventEmitter object>, *args=(), **kwargs={'key': <Key 'Backspace'>, 'modifiers': (), 'native': <PyQt5.QtGui.QKeyEvent object>, 'text': '\x7f'})
    453                     continue
    454
--> 455                 self._invoke_callback(cb, event)
        self._invoke_callback = <bound method EventEmitter._invoke_callback of <vispy.util.event.EventEmitter object at 0x7f925a19e550>>
        cb = <bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object at 0x7f925a174fd0>>
        event = <KeyEvent blocked=False handled=False key=<Key 'Backspace'> modifiers=() native=<PyQt5.QtGui.QKeyEvent object at 0x7f92427f5790> source=None sources=[] text= type=key_press>
    456                 if event.blocked:
    457                     break

~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/util/event.py in _invoke_callback(self=<vispy.util.event.EventEmitter object>, cb=<bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object>>, event=<KeyEvent blocked=False handled=False key=<Key '...90> source=None sources=[] text= type=key_press>)
    471             cb(event)
    472         except Exception:
--> 473             _handle_exception(self.ignore_callback_errors,
        global _handle_exception = <function _handle_exception at 0x7f9255e8bee0>
        self.ignore_callback_errors = False
        self.print_callback_errors = 'reminders'
        self = <vispy.util.event.EventEmitter object at 0x7f925a19e550>
        global cb_event = undefined
        cb = <bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object at 0x7f925a174fd0>>
        event = <KeyEvent blocked=False handled=False key=<Key 'Backspace'> modifiers=() native=<PyQt5.QtGui.QKeyEvent object at 0x7f92427f5790> source=None sources=[] text= type=key_press>
    474                               self.print_callback_errors,
    475                               self, cb_event=(cb, event))

~/miniconda3/envs/napari/lib/python3.9/site-packages/vispy/util/event.py in _invoke_callback(self=<vispy.util.event.EventEmitter object>, cb=<bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object>>, event=<KeyEvent blocked=False handled=False key=<Key '...90> source=None sources=[] text= type=key_press>)
    469     def _invoke_callback(self, cb, event):
    470         try:
--> 471             cb(event)
        cb = <bound method KeymapHandler.on_key_press of <napari.utils.key_bindings.KeymapHandler object at 0x7f925a174fd0>>
        event = <KeyEvent blocked=False handled=False key=<Key 'Backspace'> modifiers=() native=<PyQt5.QtGui.QKeyEvent object at 0x7f92427f5790> source=None sources=[] text= type=key_press>
    472         except Exception:
    473             _handle_exception(self.ignore_callback_errors,

~/dev/napari/napari/utils/key_bindings.py in on_key_press(self=<napari.utils.key_bindings.KeymapHandler object>, event=<KeyEvent blocked=False handled=False key=<Key '...90> source=None sources=[] text= type=key_press>)
    482
    483         combo = components_to_key_combo(event.key.name, event.modifiers)
--> 484         self.press_key(combo)
        self.press_key = <bound method KeymapHandler.press_key of <napari.utils.key_bindings.KeymapHandler object at 0x7f925a174fd0>>
        combo = 'Backspace'
    485
    486     def on_key_release(self, event):

~/dev/napari/napari/utils/key_bindings.py in press_key(self=<napari.utils.key_bindings.KeymapHandler object>, key_combo='Backspace')
    438             )
    439
--> 440         gen = func()
        gen = undefined
        func = <bound method delete_selected_shapes of <Shapes layer 'Shapes' at 0x7f92601947f0>>
    441
    442         if inspect.isgeneratorfunction(func):

~/dev/napari/napari/layers/shapes/_shapes_key_bindings.py in delete_selected_shapes(layer=<Shapes layer 'Shapes'>)
    164 def delete_selected_shapes(layer):
    165     """."""
--> 166     layer.remove_selected()
        layer.remove_selected = <bound method Shapes.remove_selected of <Shapes layer 'Shapes' at 0x7f92601947f0>>
    167
    168

~/dev/napari/napari/layers/shapes/shapes.py in remove_selected(self=<Shapes layer 'Shapes'>)
   2248             )
   2249         self.selected_data = set()
-> 2250         self._finish_drawing()
        self._finish_drawing = <bound method Shapes._finish_drawing of <Shapes layer 'Shapes' at 0x7f92601947f0>>
   2251
   2252     def _rotate_box(self, angle, center=[0, 0]):

~/dev/napari/napari/layers/shapes/shapes.py in _finish_drawing(self=<Shapes layer 'Shapes'>, event=None)
   2184                 self._data_view.edit(index, vertices[:-1])
   2185         if self._is_creating is True and self._mode == Mode.ADD_POLYGON:
-> 2186             vertices = self._data_view.shapes[index].data
        vertices = undefined
        self._data_view.shapes = []
        index.data = undefined
   2187             if len(vertices) <= 3:
   2188                 self._data_view.remove(index)

IndexError: list index out of range