docstr: Add multiple sub-sets of components.
docstr_tok: ["Add","multiple","sub-sets","of","components","."]
code: def from_nested_components(cls, **kwargs):
      """Add multiple sub-sets of components."""
      return cls(kwargs, strip_whitespace=False)
  
file_path: seaborn/seaborn/_docstrings.py
imports: import re
  import pydoc
  from .external.docscrape import NumpyDocString
label_desc: Use image node_id 3 for calling the DocstringComponents obj's underlying member method code with example usage: obj.from_nested_components(cls) and returns: cls