-r ipython.txt

# Notebook >=6.4.8 + coverage > 6.2 hangs CI: https://github.com/quantumlib/Cirq/issues/4897
notebook>=6.4.1,<=6.4.7

# https://github.com/nteract/papermill/issues/519
ipykernel==5.3.4

# for executing notebooks in tests
papermill~=2.3.2

# assumed to be part of colab
seaborn~=0.11.1
