code: def _is_url(url):
      """Check to see if *url* has a valid protocol."""
      try:
          return parse_url(url).scheme in _VALID_URLS
      except Exception:
          return False
  
imports: import os
  from packaging.version import Version
  from pathlib import Path
  import warnings
  import numpy
  import pandas
  from pandas.api.types import is_integer_dtype
  import pyproj
  from shapely.geometry import mapping
  from shapely.geometry.base import BaseGeometry
  from geopandas import GeoDataFrame, GeoSeries
  from urllib.parse import urlparse
  from urllib.parse import uses_netloc, uses_params, uses_relative
  import urllib.request
  from geopandas._compat import PANDAS_GE_20
label_desc: Use image node_id 7 for calling a global function with example usage: _is_url(url) and returns: unknown, False