Question: how to install igraph in python?
Answer: $ pip install python-igraph. ...  $ pip install python-igraph. ...  $ pip download --no-deps --no-binary :all: python-igraph $ tar -xvvzf python-igraph-0.8.2.tar.gz $ cd python-igraph-0.8.2. ...  $ pkg-config --cflags --libs igraph. ...  $ python setup.py build --use-pkg-config $ python setup.py install.