BUGFIX: Relplot Error adding refline when duplicate indicies present #3692
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This is related to issue #3690
In this case, replot was creating duplicated data when it didn't need to when the input data had duplicate indicies, which caused the refline addition to fail.
I was able to solve this by modifying the
grid_data
merge step at the end of the relplot function to only merge when there's actually something to merge!Print Debugging before fix (self.data - dataframe shape):
Print Debugging After (self.data - dataframe shape)
reproducible example
(From original issue, for reference - reproducible example)