class_docstr: A stream operator for warming up a given stream.
  
  Parameters
  ----------
  periods : int
      Number of periods to warm up.
code: def reset(self) -> None:
      self.count = 0
  
file_path: tensortrade/tensortrade/feed/api/generic/warmup.py
imports: import numpy
  from tensortrade.feed.core.base import Stream, T
label_desc: Use image node_id 4 for calling the WarmUp obj's underlying member method code with example usage: obj.reset() without return types