docstr: Update characters state to match sre_parse object ``category``.
docstr_tok: ["Update","characters","state","to","match","sre_parse","object","``","category","``","."]
code: def add_category(self, category):
      """Update characters state to match sre_parse object ``category``."""
      self._whitelist_chars |= BYTES_LOOKUP[category]
  
imports: import operator
  import re
  from hypothesis.errors import InvalidArgument
  from hypothesis.internal import charmap
  from hypothesis.strategies._internal.lazy import unwrap_strategies
  from hypothesis.strategies._internal.strings import OneCharStringStrategy
  from hypothesis import reject, strategies
  from hypothesis.internal.charmap import as_general_categories, categories
  from hypothesis.internal.compat import add_note, int_to_byte
label_desc: Use image node_id 3 for calling the BytesBuilder obj's underlying member method code with example usage: obj.add_category(category) without return types