Return self.j_partitioned_table (deephaven#2464)

py/server/deephaven/table.py

@@ -1303,7 +1303,7 @@ class PartitionedTable(JObjectWrapper):
 
  @property
  def j_object(self) -> jpy.JType:
- self.j_partitioned_table
+ return self.j_partitioned_table
 
  def __init__(self, j_partitioned_table):
  self.j_partitioned_table = j_partitioned_table
@@ -1430,11 +1430,11 @@ def sort(self, order_by: Union[str, Sequence[str]],
  except Exception as e:
  raise DHError(e, "failed to sort the partitioned table.") from e
 
- def get_constituent(self, key_values: [Any, Sequence[Any]]) -> Optional[Table]:
+ def get_constituent(self, key_values: Union[Any, Sequence[Any]]) -> Optional[Table]:
  """Gets a single constituent table by its corresponding key column values.
 
  Args:
- key_values (Any, Sequence[Any]): the value(s) of the key column(s)
+ key_values (Union[Any, Sequence[Any]]): the value(s) of the key column(s)
 
  Returns:
  a Table or None