class_docstr: RedisTimeSeries Commands.
class_docstr_tok: ["RedisTimeSeries","Commands","."]
docstr: Append ALIGN property to params.
docstr_tok: ["Append","ALIGN","property","to","params","."]
code: def _append_align(
      params: List[str], align: Optional[Union[int, str]]
  ):
      """Append ALIGN property to params."""
      if align is not None:
          params.extend(["ALIGN", align])
  
imports: from typing import Dict, List, Optional, Tuple, Union
  from redis.exceptions import DataError
  from redis.typing import KeyT, Number
label_desc: Use image node_id 27 for calling the TimeSeriesCommands obj's underlying member method code with example usage: obj._append_align(params, align) without return types