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.