Is there a way to set kerning value for all masters at once via GUI?

Glyphs
18 
# copies all kerning from sourceMaster to targetMasters

sourceMaster = Font.masters[0]
targetMasters = [ Font.masters[1] ]

# delete current kerning from targetMasters
for master in targetMasters:
	Font.kerning[ master.id ] = {}

for leftKey, rightKeys in Font.kerning[ sourceMaster.id ].items():
	for rightKey, value in rightKeys.items():
		# if no group, get glyph name
		if '@MMK' not in leftKey:
			leftKey = Font.glyphForId_(leftKey).name
		if '@MMK' not in rightKey:
			 rightKey = Font.glyphForId_(rightKey).name
			 			
		for targetMaster in targetMasters:
			Font.setKerningForPair( targetMaster.id, leftKey, rightKey, value)
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