code: def is_s3_url(url):
      """Check for an s3, s3n, or s3a url"""
      try:
          return parse_url(url).scheme in ["s3", "s3n", "s3a"]
      except Exception:
          return False
  
imports: import codecs
  from contextlib import closing, contextmanager
  import csv
  import mmap
  import os
  import zipfile
  import pandas.compat
  from pandas.compat import BytesIO, StringIO, string_types, text_type
  from pandas.errors import AbstractMethodError, DtypeWarning, EmptyDataError, ParserError, ParserWarning
  from pandas.core.dtypes.common import is_file_like, is_number
  from pandas.io.formats.printing import pprint_thing
label_desc: Use image node_id 5 for calling a global function with example usage: is_s3_url(url) and returns: unknown, False