code: def test_basic_seq_lengths(self):
      x = jnp.ones((2, 10, 6))
      lstm = nn.RNN(nn.LSTMCell(265))
      variables = lstm.init(jax.random.key(0), x)
      y = lstm.apply(variables, x, seq_lengths=jnp.array([5, 5]))
  
imports: import jax
  import jax.numpy
  import numpy
  from absl.testing import absltest
  from flax import linen
  from flax.linen.recurrent import flip_sequences
label_desc: Use image node_id 17 for calling the RNNTest obj's underlying member method code with example usage: obj.test_basic_seq_lengths() without return types