code: def register_exception_handler(
      name: str,
      handler: Callable[[Exception], bool],
      warn_on_overwrite: bool = True,
  ) -> None:
      """
      Register an exception handler for handling (primarily numerical) errors
      when evaluating the potential function.
  
      :param name: name of the handler (must be unique).
      :param handler: A callable mapping an Exception to a boolean. Exceptions
          that evaluate to true in any of the handlers are handled in the computation
          of the potential energy.
      :param warn_on_overwrite: If True, warns when overwriting a handler already
          registered under the provided name.
      """
      if name in _EXCEPTION_HANDLERS and warn_on_overwrite:
          warnings.warn(
              f"Overwriting Exception handler already registered under key {name}.",
              RuntimeWarning,
          )
      _EXCEPTION_HANDLERS[name] = handler
  
file_path: pyro/pyro/ops/integrator.py
imports: import warnings
  from typing import Callable, Dict
  from torch.autograd import grad
label_desc: Use image node_id 4 for calling a global function with example usage: register_exception_handler(name, handler, warn_on_overwrite) without return types