message: fixed 'test_explain' in pythonpkg/tests
diff: @@ -198,7 +198,7 @@ class TestRelation(object):
  rel1 = con.table('t1')
  rel2 = con.table('t2')
  join = rel1.join(rel2, 'i=j', 'inner').aggregate('count()')
  - assert join.explain() == 'Aggregate [count_star()]\n Join INNER i = j\n Scan Table [t1]\n Scan Table [t2]'
  + assert join.explain() == 'Aggregate [count_star()]\n Join INNER (i) = (j)\n Scan Table [t1]\n Scan Table [t2]'
  def test_fetchnumpy(self, duckdb_cursor):
  start, stop = -1000, 2000
  