Enable grid only on major ticks.
@@ -452,7 +452,7 @@ def decorate(**kwargs):
'x_ticker_minor_locator': None,
'y_ticker_minor_locator': None,
'grid': False,
- 'grid_which': 'both',
+ 'grid_which': 'major',
'grid_axis': 'both',
'x_axis_line': False,
'y_axis_line': False,
