class_docstr: Tests sequence handling utilities.
class_docstr_tok: ["Tests","sequence","handling","utilities","."]
code: def test_encode_fastq_sequence(self):
      fname = os.path.join(self.current_dir, "./assets/example.fastq")
  
      encoded_seqs = dc.utils.genomics_utils.encode_bio_sequence(
          fname, file_type="fastq", letters=LETTERS
      )
  
      expected = np.expand_dims(
          np.array(
              [
                  [[1, 0], [0, 1], [0, 0]],
                  [[0, 1], [0, 0], [1, 0]],
              ]
          ),
          -1,
      )
  
      np.testing.assert_array_equal(expected, encoded_seqs)
  
file_path: deepchem/deepchem/utils/test/test_genomics_utils.py
imports: import unittest
  import os
  import numpy
  import deepchem
label_desc: Use image node_id 5 for calling the TestSeq obj's underlying member method code with example usage: obj.test_encode_fastq_sequence() without return types