code: def __init__(
      self,
      global_type,
      col_type,
      col_key,
      row_type,
      row_key,
      entry_type,
  ):
      self.global_type = global_type
      self.col_type = col_type
      self.col_key = col_key
      self.row_type = row_type
      self.row_key = row_key
      self.entry_type = entry_type
  
imports: import pprint
  from hail.typecheck import typecheck_method, sequenceof
  from hail.utils.java import escape_parsable
  from hail.expr.types import dtype, tstruct
  from hail.utils.java import jiterable_to_list
label_desc: Use image node_id 3 to create a new tmatrix object from inherited base classes: object with example: obj = tmatrix(global_type, col_type, col_key, row_type, row_key, entry_type)