class_docstr: Test remove digits.
class_docstr_tok: ["Test","remove","digits","."]
code: def test_remove_digits_any(self):
      s = pd.Series("remove block of digits 1234 h1n1")
      s_true = pd.Series("remove block of digits   h n ")
      self.assertEqual(
          preprocessing.remove_digits(s, only_blocks=False), s_true
      )
  
imports: import string
  import pytest
  import pandas
  import numpy
  import doctest
  from texthero import preprocessing, stopwords
  from .None import PandasTestCase
  import warnings
label_desc: Use image node_id 2 for calling the TestPreprocessing obj's underlying member method code with example usage: obj.test_remove_digits_any() without return types