`ipython` startup delay

[adeebshihadeh]

Seems new in v11

comma@comma-6ddbe0d:/data/openpilot$ time ipython -c "print('')"


real    0m2.159s
user    0m1.970s
sys     0m0.170s
comma@comma-6ddbe0d:/data/openpilot$ time python -c "print('')"


real    0m0.085s
user    0m0.040s
sys     0m0.040s