Created by: MrRace

• 版本、环境信息： 1）GPU：CUDA版本=9，CUDNN版本=7。GPU设备为2080Ti，在TensorFlow-gpu和PyTorch-gpu上可以正常安装和使用GPU。 2）系统环境：系统=16.04.1-Ubuntu、Python版本=Python 2.7.12 安装方式信息： 1）pip安装：pip install paddlepaddle-gpu 问题描述：安装过程报错，报错信息如下：

Collecting scipy>=0.19.0 (from paddlepaddle-gpu)
  Downloading https://pypi.doubanio.com/packages/cb/97/361c8c6ceb3eb765371a702ea873ff2fe112fa40073e7d2b8199db8eb56e/scipy-1.3.0.tar.gz (23.6MB)
     |████████████████████████████████| 23.6MB 994kB/s 
  Installing build dependencies ... done
  Getting requirements to build wheel ... error
  ERROR: Complete output from command /home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/bin/python2 /home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py get_requires_for_build_wheel /tmp/tmpY21PUy:
  ERROR: Traceback (most recent call last):
    File "/home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 207, in <module>
      main()
    File "/home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 197, in main
      json_out['return_val'] = hook(**hook_input['kwargs'])
    File "/home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py", line 54, in get_requires_for_build_wheel
      return hook(config_settings)
    File "/home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/setuptools/build_meta.py", line 145, in get_requires_for_build_wheel
      return self._get_build_requires(config_settings, requirements=['wheel'])
    File "/home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/setuptools/build_meta.py", line 126, in _get_build_requires
      self.run_setup()
    File "/home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/setuptools/build_meta.py", line 234, in run_setup
      self).run_setup(setup_script=setup_script)
    File "/home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/setuptools/build_meta.py", line 141, in run_setup
      exec(compile(code, __file__, 'exec'), locals())
    File "setup.py", line 31, in <module>
      raise RuntimeError("Python version >= 3.5 required.")
  RuntimeError: Python version >= 3.5 required.
  ----------------------------------------
ERROR: Command "/home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/bin/python2 /home/lab/liujiepeng/MachineComprehension/DuReader/paddle_py27_even/local/lib/python2.7/site-packages/pip/_vendor/pep517/_in_process.py get_requires_for_build_wheel /tmp/tmpY21PUy" failed with error code 1 in /tmp/pip-install-k1uXKL/scipy