docstr: Categorize a commit based on the presence of a bracketed category in the title.
  
  Args:
      title (str): title to seaarch
  
  Returns:
      optional[str]
docstr_tok: ["Categorize","a","commit","based","on","the","presence","of","a","bracketed","category","in","the","title",".","Args",":","title","(","str",")",":","title","to","seaarch","Returns",":","optional","[","str","]"]
code: def bracket_category_matcher(title: str):
      """Categorize a commit based on the presence of a bracketed category in the title.
  
      Args:
          title (str): title to seaarch
  
      Returns:
          optional[str]
      """
      pairs = [
          ("[dynamo]", "dynamo"),
          ("[torchdynamo]", "dynamo"),
          ("[torchinductor]", "inductor"),
          ("[inductor]", "inductor"),
          ("[codemod", "skip"),
          ("[profiler]", "profiler"),
          ("[functorch]", "functorch"),
          ("[autograd]", "autograd_frontend"),
          ("[quantization]", "quantization"),
          ("[nn]", "nn_frontend"),
          ("[complex]", "complex_frontend"),
          ("[mps]", "mps"),
          ("[optimizer]", "optimizer_frontend"),
          ("[xla]", "xla"),
      ]
      title_lower = title.lower()
      for bracket, category in pairs:
          if bracket in title_lower:
              return category
      return None
  
imports: import argparse
  import csv
  import dataclasses
  import os
  import pprint
  import re
  from collections import defaultdict
  from pathlib import Path
  from typing import List
  import common
  from common import features_to_dict, frontend_categories, get_commit_data_cache, get_features, run, topics
label_desc: Use image node_id 10 for calling the CommitList obj's underlying member method code with example usage: obj.bracket_category_matcher(title) and returns: None, category