class_docstr: Polynomial LR scheduler
code: def __repr__(self) -> str:
      repr_str = "{}(".format(self.__class__.__name__)
      repr_str += "\n\tpower={}\n\tstart_lr={}".format(
          self.power, self.start_lr
      )
      if self.end_lr > 0:
          repr_str += "\n\tend_lr={}".format(self.end_lr)
  
      if self.warmup_iterations > 0:
          repr_str += "\n\twarmup_init_lr={}\n\twarmup_iters={}".format(
              self.warmup_init_lr, self.warmup_iterations
          )
  
      repr_str += "\n )"
      return repr_str
  
file_path: ml-cvnets/optim/scheduler/polynomial.py
imports: import argparse
  from optim.scheduler import SCHEDULER_REGISTRY
  from optim.scheduler.base_scheduler import BaseLRScheduler
label_desc: Use image node_id 4 for calling the PolynomialScheduler obj's underlying member method code with example usage: obj.__repr__() and returns: repr_str