tweak tight layout application to try and reduce warnings

Author: TomDonoghue

fooof/plts/style.py

@@ -169,7 +169,10 @@ def apply_custom_style(ax, **kwargs):
         ax.legend(prop={'size': kwargs.pop('legend_size', LEGEND_SIZE)},
                   loc=kwargs.pop('legend_loc', LEGEND_LOC))
 
-    plt.tight_layout()
+    # Apply tight layout to the figure object
+    #   This should be equivalent to `plt.tight_layout()`, but seems to raise fewer warnings...
+    fig = plt.gcf()
+    fig.set_layout_engine('tight')
 
 
 def apply_style(ax, axis_styler=apply_axis_style, line_styler=apply_line_style,