message: Fix for py decimal test
diff: import numpy
  import pandas
  -
  +from decimal import *
  class TestDecimal(object):
  def test_decimal(self, duckdb_cursor):
  duckdb_cursor.execute('SELECT 1.2::DECIMAL(4,1), 100.3::DECIMAL(9,1), 320938.4298::DECIMAL(18,4), 49082094824.904820482094::DECIMAL(30,12), NULL::DECIMAL')
  result = duckdb_cursor.fetchall()
  - assert result == [(1.2, 100.3, 320938.4298, 49082094824.904820482094, None)]
  + assert result == [(Decimal('1.2'), Decimal('100.3'), Decimal('320938.4298'), Decimal('49082094824.904820482094'), None)]
  def test_decimal_numpy(self, duckdb_cursor):
  duckdb_cursor.execute('SELECT 1.2::DECIMAL(4,1) AS a, 100.3::DECIMAL(9,1) AS b, 320938.4298::DECIMAL(18,4) AS c, 49082094824.904820482094::DECIMAL(30,12) AS d')
  