python setup.py --dump-servers servers.json the spesified user counld not be found code example

Example 1: OSError: [E050] Can't find model 'de'. It doesn't seem to be a shortcut link, a Python package or a valid path to a data directory.

python -m spacy download en

Example 2: Package opencv was not found in the pkg-config search path. Perhaps you should add the directory containing `opencv.pc' to the PKG_CONFIG_PATH environment variable

export PKG_CONFIG_PATH=/usr/lib/pkgconfig:/usr/lib/arm-linux-gnueabi/pkgconfig