为什么我得到了“cuMemAlloc失败:未初始化”，即使我正在正确初始化?

I am having some trouble with my Django/Celery/PyCuda setup. I am using PyCuda for some image processing on a Amazon EC2 G2 instance. Here is the info on my Cuda-capable GRID K520 card: Detected 1 CUDA Capable device(s)I am having some trouble with my Django/Celery/