code: def test_remove_none_strings():
      info = {
          "a": "None / Other",
          "b": "",
          "c": "N/A",
          "d": None,
          "e": 0,
          "f": "a",
          "g": "Name",
      }
  
      assert neurovault._remove_none_strings(info) == {
          "a": None,
          "b": None,
          "c": None,
          "d": None,
          "e": 0,
          "f": "a",
          "g": "Name",
      }
  
imports: import hashlib
  import json
  import os
  import re
  import stat
  from urllib import parse
  import numpy
  import pandas
  import pytest
  import requests
  from nilearn._utils.data_gen import generate_fake_fmri
  from nilearn.conftest import _rng
  from nilearn.datasets import neurovault
  from nilearn.image import load_img
label_desc: Use image node_id 10 for calling a global function with example usage: test_remove_none_strings() without return types