Lint failing on GitHub actions

[amyheather]

This did not happen locally - version differences?

The linting error from the action was:

Linting notebooks...
************* Module choosing_replications
notebooks/choosing_replications.ipynb:cell_7:14:12: E1126: Sequence index is not an int, slice, or instance with __index__ (invalid-sequence-index)
notebooks/choosing_replications.ipynb:cell_8:3:15: E1126: Sequence index is not an int, slice, or instance with __index__ (invalid-sequence-index)
notebooks/choosing_replications.ipynb:cell_8:4:18: E1126: Sequence index is not an int, slice, or instance with __index__ (invalid-sequence-index)
notebooks/choosing_replications.ipynb:cell_9:13:23: E1123: Unexpected keyword argument 'metrics' in method call (unexpected-keyword-arg)
notebooks/choosing_replications.ipynb:cell_11:13:23: E1123: Unexpected keyword argument 'metrics' in method call (unexpected-keyword-arg)
notebooks/choosing_replications.ipynb:cell_13:18:27: E1123: Unexpected keyword argument 'metrics' in method call (unexpected-keyword-arg)