code: def _inject():
      """Copy functions from OpenGL.GL into _pyopengl namespace."""
      NS = _pyopengl2.__dict__
      for glname, ourname in _pyopengl2._functions_to_import:
          func = _get_function_from_pyopengl(glname)
          NS[ourname] = func
  
file_path: vispy/vispy/gloo/gl/pyopengl2.py
imports: from OpenGL import GL
  import OpenGL.GL.framebufferobjects
  from ...util import logger
  from .None import _copy_gl_functions
  from ._constants import *
  from .None import _pyopengl2
label_desc: Use image node_id 4 for calling a global function with example usage: _inject() without return types