问windows ImportError:Unable to load OpenGL library？

   File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\osmesa.py", line 25, in GL
    mode=ctypes.RTLD_GLOBAL 
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\ctypesloader.py", line 45, in loadLibrary
    return dllType( name, mode )
  File "D:\anaconda\envs\test\lib\ctypes\__init__.py", line 364, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: [WinError 126] 找不到指定的模块。
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "D:\Users\hp\Desktop\code\SPIN-master\train\__init__.py", line 1, in <module>
    from .trainer import Trainer
  File "D:\Users\hp\Desktop\code\SPIN-master\train\trainer.py", line 11, in <module>
    from utils.renderer import Renderer
  File "D:\Users\hp\Desktop\code\SPIN-master\utils\renderer.py", line 6, in <module>
    import pyrender
  File "D:\anaconda\envs\test\lib\site-packages\pyrender\__init__.py", line 3, in <module>
    from .light import Light, PointLight, DirectionalLight, SpotLight
  File "D:\anaconda\envs\test\lib\site-packages\pyrender\light.py", line 10, in <module>
    from OpenGL.GL import *
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\GL\__init__.py", line 3, in <module>
    from OpenGL import error as _error
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\error.py", line 12, in <module>
    from OpenGL import platform, _configflags
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\__init__.py", line 35, in <module>
    _load()
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\__init__.py", line 32, in _load
    plugin.install(globals())
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\baseplatform.py", line 92, in install
    namespace[ name ] = getattr(self,name,None)
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\baseplatform.py", line 14, in __get__
    value = self.fget( obj )
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\osmesa.py", line 66, in GetCurrentContext
    function = self.OSMesa.OSMesaGetCurrentContext
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\baseplatform.py", line 14, in __get__
    value = self.fget( obj )
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\osmesa.py", line 60, in OSMesa
    def OSMesa( self ): return self.GL
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\baseplatform.py", line 14, in __get__
    value = self.fget( obj )
  File "D:\anaconda\envs\test\lib\site-packages\OpenGL\platform\osmesa.py", line 28, in GL
    raise ImportError("Unable to load OpenGL library", *err.args)
ImportError: ('Unable to load OpenGL library', 22, '找不到指定的模块。', None, 126, None, 'OSMesa', None)