docs: def downzip(url, destination="./sample_data/"):
      """Download, unzip and delete. Warning: function with strong side effects!
  
      Returns downloaded data.
  
      :param str url: url from which data should be donloaded
      :param destination: destination to which data should be downloaded
      """
  
      # url = "http://147.228.240.61/queetech/sample-data/jatra_06mm_jenjatra.zip"
      logmsg = "downloading from '" + url + "' to '" + destination + "'"
      print(logmsg)
      logger.info(logmsg)
      tmp_filename = url[url.rfind("/") + 1 :]
      # tmp_filename = "tmp.zip"
      # urllibr.urlretrieve(url, zip_file_name)
      from . import network
  
      network.download_file(url, destination, filename=tmp_filename)
      zip_file_name = os.path.join(destination, tmp_filename)
      base, ext = op.splitext(tmp_filename)
      # print(ext)
      # print(tmp_filename)
      if ext in (".zip"):
          unzip_recursive(zip_file_name)