Spikes removal error

spikesbug.py

# When stepping through the signal looking for spikes, suddenly:

Exception occurred in traits notification handler for object: <hyperspy.signal_tools.SpikesRemoval object at 0x12835e048>, trait: ss_right_value, old value: nan, new value: 0.0
Traceback (most recent call last):
  File "/Users/thomas/miniconda3/envs/hs/lib/python3.5/site-packages/traits/trait_notifiers.py", line 340, in __call__
    self.handler( *args )
  File "/Users/thomas/hyperspy/hyperspy/signal_tools.py", line 968, in _ss_right_value_changed
    self.span_selector_changed()
  File "/Users/thomas/hyperspy/hyperspy/signal_tools.py", line 1047, in span_selector_changed
    self.interpolated_line.update()
  File "/Users/thomas/hyperspy/hyperspy/drawing/signal1d.py", line 320, in update
    ydata = self.data_function(axes_manager=self.axes_manager).real
  File "/Users/thomas/hyperspy/hyperspy/signal_tools.py", line 999, in get_interpolated_spectrum
    left, right = self.get_interpolation_range()
  File "/Users/thomas/hyperspy/hyperspy/signal_tools.py", line 986, in get_interpolation_range
    left = axis.value2index(self.ss_left_value)
  File "/Users/thomas/hyperspy/hyperspy/axes.py", line 392, in value2index
    raise ValueError("The value is out of the axis limits")
ValueError: The value is out of the axis limits

ERROR:traits:Exception occurred in traits notification handler for object: <hyperspy.signal_tools.SpikesRemoval object at 0x12835e048>, trait: ss_right_value, old value: nan, new value: 0.0
Traceback (most recent call last):
  File "/Users/thomas/miniconda3/envs/hs/lib/python3.5/site-packages/traits/trait_notifiers.py", line 340, in __call__
    self.handler( *args )
  File "/Users/thomas/hyperspy/hyperspy/signal_tools.py", line 968, in _ss_right_value_changed
    self.span_selector_changed()
  File "/Users/thomas/hyperspy/hyperspy/signal_tools.py", line 1047, in span_selector_changed
    self.interpolated_line.update()
  File "/Users/thomas/hyperspy/hyperspy/drawing/signal1d.py", line 320, in update
    ydata = self.data_function(axes_manager=self.axes_manager).real
  File "/Users/thomas/hyperspy/hyperspy/signal_tools.py", line 999, in get_interpolated_spectrum
    left, right = self.get_interpolation_range()
  File "/Users/thomas/hyperspy/hyperspy/signal_tools.py", line 986, in get_interpolation_range
    left = axis.value2index(self.ss_left_value)
  File "/Users/thomas/hyperspy/hyperspy/axes.py", line 392, in value2index
    raise ValueError("The value is out of the axis limits")
ValueError: The value is out of the axis limits
Exception occurred in traits notification handler.
Please check the log file for details.
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
/Users/thomas/hyperspy/hyperspy/gui_ipywidgets/tools.py in on_remove_clicked(b)
    416 
    417     def on_remove_clicked(b):
--> 418         obj.apply()
    419     remove.on_click(on_remove_clicked)
    420     labeled_spline_order = labelme("Spline order", spline_order)

/Users/thomas/hyperspy/hyperspy/signal_tools.py in apply(self)
   1048 
   1049     def apply(self):
-> 1050         self.signal()[:] = self.get_interpolated_spectrum()
   1051         self.signal.events.data_changed.trigger(obj=self.signal)
   1052         self.update_spectrum_line()

/Users/thomas/hyperspy/hyperspy/signal_tools.py in get_interpolated_spectrum(self, axes_manager)
    997         data = self.signal().copy()
    998         axis = self.signal.axes_manager.signal_axes[0]
--> 999         left, right = self.get_interpolation_range()
   1000         if self.kind == 'linear':
   1001             pad = 1

/Users/thomas/hyperspy/hyperspy/signal_tools.py in get_interpolation_range(self)
    984             right = self.argmax + self.default_spike_width
    985         else:
--> 986             left = axis.value2index(self.ss_left_value)
    987             right = axis.value2index(self.ss_right_value)
    988 

/Users/thomas/hyperspy/hyperspy/axes.py in value2index(self, value, rounding)
    390                 return index
    391             else:
--> 392                 raise ValueError("The value is out of the axis limits")
    393 
    394     def index2value(self, index):

ValueError: The value is out of the axis limits