class_docstr: Linear Warm-up Scheduler
  Linear warm-up
class_docstr_tok: ["Linear","Warm-up","Scheduler","Linear","warm-up"]
docstr: Args:
      scheduler (BaseLearningRateScheduler): learning_rate_scheduler
      warmup_iter (int): Iteration for warm-up.
  
  Example:
      LinearWarmupScheduler(scheduler, 25000)
docstr_tok: ["Args",":","scheduler","(","BaseLearningRateScheduler",")",":","learning_rate_scheduler","warmup_iter","(","int",")",":","Iteration","for","warm-up",".","Example",":","LinearWarmupScheduler","(","scheduler",",","25000",")"]
code: def __init__(self, scheduler, warmup_iter):
      """
      Args:
          scheduler (BaseLearningRateScheduler): learning_rate_scheduler
          warmup_iter (int): Iteration for warm-up.
  
      Example:
          LinearWarmupScheduler(scheduler, 25000)
      """
      self.scheduler = scheduler
      self.warmup_iter = warmup_iter
  
imports: import math
label_desc: Use image node_id 1 to create a new LinearWarmupScheduler object from inherited base classes: BaseLearningRateScheduler with example: obj = LinearWarmupScheduler(scheduler, warmup_iter)