code: def test_RemoveHTTPFile(self):
      assert_(self.repos.exists(valid_httpurl()))
  
imports: import os
  import pytest
  from tempfile import mkdtemp, mkstemp, NamedTemporaryFile
  from shutil import rmtree
  import numpy.lib._datasource
  from numpy.testing import assert_, assert_equal, assert_raises
  import urllib.request
  from urllib.parse import urlparse
  from urllib.error import URLError
label_desc: Use image node_id 5 for calling the TestRepositoryExists obj's underlying member method code with example usage: obj.test_RemoveHTTPFile() without return types