Complete output from command python setup.py egg_info:
Found cython-generated files...
error in grpcio setup command: 'install_requires' must be a string or list of strings containing valid project/version requirement specifiers; Expected ',' or end-of-list in futures>=2.2.0; python_version<'3.2' at ; python_version<'3.2'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-install-taoxz02y/grpcio/
```
**A:** 需要升级 pip3 版本,再重新执行安装命令。
```
pip3 install --upgrade pip
pip3 install --upgrade setuptools
```
#### Q: 运行过程中报错,信息如下:
```
Traceback (most recent call last):
File "../../deploy/serving/test_client.py", line 18, in <module>
from paddle_serving_app.reader import *
File "/usr/local/python2.7.15/lib/python2.7/site-packages/paddle_serving_app/reader/__init__.py", line 15, in <module>
from .image_reader import ImageReader, File2Image, URL2Image, Sequential, Normalize, Base64ToImage
File "/usr/local/python2.7.15/lib/python2.7/site-packages/paddle_serving_app/reader/image_reader.py", line 24, in <module>
InvalidArgumentError: Device id must be less than GPU count, but received id is: 0. GPU count is: 0.
[Hint: Expected id < GetCUDADeviceCount(), but received id:0 >= GetCUDADeviceCount():0.] at (/home/scmbuild/workspaces_cluster.dev/baidu.lib.paddlepaddle/baidu/lib/paddlepaddle/Paddle/paddle/fluid/platform/gpu_info.cc:211)