docs: public static Model loadModelGuess(InputStream stream, File tempDirectory) throws Exception {
          //Currently (Nov 2017): KerasModelImport doesn't support loading from input streams
          //Simplest solution here: write to a temporary file
          File f;
          if(tempDirectory == null){
              f = DL4JFileUtils.createTempFile("loadModelGuess",".bin");
          } else {
              f = File.createTempFile("loadModelGuess", ".bin", tempDirectory);
          }
          f.deleteOnExit();
  
  
          try (OutputStream os = new BufferedOutputStream(new FileOutputStream(f))) {
              IOUtils.copy(stream, os);
              os.flush();
              return loadModelGuess(f.getAbsolutePath());
          } catch (ModelGuesserException e){
              throw new ModelGuesserException("Unable to load model from input stream (invalid model file not a known model type)");
          } finally {
              f.delete();
          }
      }