Remove unused variable from bql.py
@@ -808,7 +808,6 @@ def _create_population(bdb, phrase):
# Retrieve all columns from the base table. The user is required to provide
# a strategy for each single variable, either MODEL, IGNORE, or GUESS.
base_table_columns = core.bayesdb_table_column_names(bdb, phrase.table)
- seen_columns = []
# Create the population record and get the assigned id.
bdb.sql_execute('''
