code: public InputStream getInputStream() throws APIException, IOException {
          final HttpResponse response = client.get(getUrl());
          HttpClientHelpers.throwIfNotOk(response);
          return response.getEntity().getContent();
      }
docs: Gets the data for this file as an InputStream
  @return the data as an InputStream
  @throws APIException if there were any problems communicating with the Algorithmia API
  @throws IOException if there were any problems consuming the response content