is this a bug in schema_loader?

[mingtan888]

TabularSemanticParsing/src/data_processor/schema_loader.py

Line 186 in 0b094d3

schema_graph.compute_field_picklist()

schema_graph.compute_field_picklist is executed before load_data_from_spider_json, when self.field_rev_index is still empty.

Not sure if this is intentional, or happens to be a bug?