To identify the step that is using most of the computation time, I ran cProfile and got the following result: ncalls tottime percall cumtime percall fil
influxdb-2
response-time
pg-restore
shrine
shopifyscripts
blackberry-dynamics
mpandroidchart
pointer-to-member
flask-dance
expression-templates
klipfolio
rspec2
smartmeter
avcapturedevice
ios5
fann
jmeter
sparse-vector
bluespice
glassfish-4.1
annoy
cherokee
xstate
hubl
termios
android-dark-theme
domcrawler
java1.4
unsafemutablepointer
sybase-rs