class_docstr: A stream that watches and generates from a particular object.
class_docstr_tok: ["A","stream","that","watches","and","generates","from","a","particular","object","."]
code: def forward(self) -> T:
      return self.func(self.obj)
  
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 2 for calling the Sensor obj's underlying member method code with example usage: obj.forward() and returns: self