code: def maniacal_scrubber(span: Span) -> str:
      """
      Applies multiple approaches for aggressively removing garbled Unicode
      and spurious punctuation from the given text.
  
      OH: "It scrubs the garble from its stream... or it gets the debugger again!"
  
          span:
      input text `Span`
  
          returns:
      scrubbed text
      """
      # some web content returns "not string" ??
      # ostensibly this is no longer possible in Py 3.x ...
      # even so some crazy-making "mixed modes" of character encodings
      # have been found in the wild -- YMMV
      text = span.text
  
      if type(text).__name__ != "str":
          print("not a string?", type(text), text)
  
      x = " ".join(map(lambda s: s.strip(), text.split("\n"))).strip()
  
      x = x.replace("“", '"').replace("”", '"')
      x = x.replace("‘", "'").replace("’", "'").replace("`", "'")
      x = x.replace("…", "...").replace("–", "-")
  
      x = str(
          unicodedata.normalize("NFKD", x)
          .encode("ascii", "ignore")
          .decode("utf-8")
      )
  
      return x
  
file_path: pytextrank/pytextrank/util.py
imports: import itertools
  import re
  import string
  import typing
  import unicodedata
  from spacy.tokens import Span
label_desc: Use image node_id 3 for calling a global function with example usage: maniacal_scrubber(span) and returns: x