class_docstr: Tests sequence handling utilities.
class_docstr_tok: ["Tests","sequence","handling","utilities","."]
code: def test_one_hot_mismatch(self):
      # One sequence has length longer than others. This should throw a
      # ValueError.
  
      with self.assertRaises(ValueError):
          sequences = np.array(["ACGTA", "GATA", "CGCG"])
          sequences = dc.utils.genomics_utils.seq_one_hot_encode(
              sequences
          )
  
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 3 for calling the TestSeq obj's underlying member method code with example usage: obj.test_one_hot_mismatch() without return types