bug when zoom in the second point in 5244

When zoom at the second point of VEA of Q330 5244, got the following error:

  File "/Users/ldam/Documents/GIT/soh_gar/sohstationviewer/sohstationviewer/view/plotting/plotting_widget/plotting_widget.py", line 607, in set_lim
    self.plotting_axes.set_axes_ylim(ax, new_min_y, new_max_y)
TypeError: set_axes_ylim() missing 1 required positional argument: 'chan_db_info'