code: def add(self, row):
          
          if not self._types:
              raise wandb.Error(
                  'TypedTable.set_columns must be called before add.')
          mapped_row = {}
          for key, val in row.items():
              try:
                  typed_val = self._types[key](val)
                  if hasattr(typed_val, 'encode'):
                      typed_val = typed_val.encode()
                  mapped_row[key] = typed_val
              except KeyError:
                  raise wandb.Error(
                      'TypedTable.add received key ("%s") which wasn\'t provided to set_columns' % key)
              except:
                  raise wandb.Error('TypedTable.add couldn\'t convert and encode ("{}") provided for key ("{}") to type ({})'.format(
                      val, key, self._types[key]))
          self._output.add(mapped_row)
          self._count += 1
docs: Add a row to the table.
  
          Args:
              row: A dict whose keys match the keys added in set_columns, and whose
                  values can be cast to the types added in set_columns.