code: def test_import_vispy_app1():
      """Importing vispy.app should not pull in other vispy submodules."""
      # Since the introduction of the GLContext to gloo, app depends on gloo
      modnames = loaded_vispy_modules("vispy.app", 2)
      assert_equal(
          modnames,
          set(
              _min_modules
              + ["vispy.app", "vispy.gloo", "vispy.glsl", "vispy.color"]
          ),
      )
  
file_path: vispy/vispy/util/tests/test_import.py
imports: import sys
  import os
  from vispy.testing import assert_in, assert_not_in, requires_pyopengl, run_tests_if_main, assert_equal
  from vispy.util import run_subprocess
  import vispy
label_desc: Use image node_id 5 for calling a global function with example usage: test_import_vispy_app1() without return types