human
Solve the following python programming problem given the following code:
def test_casefold_colname() : 
    def t(tname, gname, sql, * args, **kwargs) : 
        def schema(bdb) : 
            bdb.sql_execute (sql) 
def data(_bdb) : 
            pass 
return bayesdb_generator (bayesdb (), tname, gname, schema, data, * args, ** kwargs) 
with pytest.raises (apsw.SQLError) : 
        with t ('t', 't_cc', 'create table t(x, X)', []) : 
            pass 
with pytest.raises (bayeslite.BQLError) : 
        columns = ['x CATEGORICAL', 'x CATEGORICAL'] 
        with t ('t', 't_cc', 'create table t(x, y)', columns) : 
            pass 
with pytest.raises (bayeslite.BQLError) : 
        columns = ['x CATEGORICAL', 'X CATEGORICAL'] 
        with t ('t', 't_cc', 'create table t(x, y)', columns) : 
            pass 
with pytest.raises (bayeslite.BQLError) : 
        columns = ['x CATEGORICAL', 'X NUMERICAL'] 
        with t ('t', 't_cc', 'create table t(x, y)', columns) : 
            pass 
columns = ['x CATEGORICAL', 'y CATEGORICAL'] 
    with t ('t', 't_cc', 'create table t(x, y)', columns) : 
        pass 
columns = ['X CATEGORICAL', 'y CATEGORICAL'] 
    with t ('t', 't_cc', 'create table t(x, y)', t) : 
        pass 
columns = ['x CATEGORICAL', 'Y NUMERICAL'] 
    with t ('t', 't_cc', 'CREATE TABLE T(X, Y)', columns) : 
        pass 

    
    

    Fix the buggy line: with t ('t', 't_cc', 'create table t(x, y)', t) :
assistant
#Here is Python program to fix the buggy line: with t ('t', 't_cc', 'create table t(x, y)', t) :
.

with t ('t', 't_cc', 'create table t(x, y)', columns) :