class_docstr: A stream that groups together other streams into a dictionary.
class_docstr_tok: ["A","stream","that","groups","together","other","streams","into","a","dictionary","."]
code: def __init__(self):
      super().__init__()
  
imports: import inspect
  from abc import abstractmethod
  from typing import Generic, Iterable, TypeVar, Dict, Any, Callable, List, Tuple
  from tensortrade.core import Observable
  from tensortrade.feed.core.accessors import CachedAccessor
  from tensortrade.feed.core.mixins import DataTypeMixin
label_desc: Use image node_id 1 to create a new Group object from inherited base classes: Stream with example: obj = Group()