fix isort and black conflict

[yichern]

What this PR does

• Fixes an isort and black conflict in pre-commit hook

This issue arises in this example:

from datetime import date

from cost_categories import (
    applsj,
    asjdfsi,
    bananana,
    sdjffsd,
    sjdifjsl,
    sjdil,
    yoyoyoyoy,
)
from library_user import User

taken from PyCQA/isort#1518

How it was tested

• isort follows black style for the above example

PR checklist

• No API keys or other secrets committed to source?
• New functionality is added alongside appropriate tests?
• All source files have the following header?

# Copyright (c) {YEAR} Cohere Inc. and its affiliates.
#
# Licensed under the MIT License (the "License");
# you may not use this file except in compliance with the License.
#
# You may obtain a copy of the License in the LICENSE file at the top
# level of this repository.

[madelinehjenkins]

These changes look good to me! Thank you for fixing this.