Fixed bokeh bug with offset being undefined
@@ -738,6 +738,7 @@ class LayoutPlot(CompositePlot, GenericLayoutPlot):
plots = [[] for _ in range(self.rows)]
tab_titles = {}
insert_rows, insert_cols = [], []
+ offset = 0
for r, c in self.coords:
subplot = self.subplots.get((r, c), None)
if subplot is not None:
