class_docstr: Boltzmann exploration.
  
  Args:
      T (float): Temperature of Boltzmann distribution.
code: def __init__(self, T=1.0):
      self.T = T
  
file_path: pfrl/pfrl/explorers/boltzmann.py
imports: import numpy
  import torch
  import torch.nn.functional
  import pfrl
label_desc: Use image node_id 1 to create a new Boltzmann object from inherited base classes: pfrl.explorer with example: obj = Boltzmann(T)