Bump flake8-isort from 2.8.0 to 3.0.1

Created by: dependabot-preview[bot]

Bumps flake8-isort from 2.8.0 to 3.0.1.

Changelog

Sourced from flake8-isort's changelog.

3.0.1 (2020-07-08)

• Work around FailedToLoadPlugin exception by requiring isort 4.x. Likewise, pin the major version of all dependencies, to reduce risk of any future incompatibilities. [pkolbus]

3.0.0 (2020-04-15)

• Let isort search the configuration, rather than flake8-isort try to find it. [jnns]

2.9.1 (2020-03-28)

• Fix flake8 warning. [sobolevn]

2.9.0 (2020-03-16)

• Add python3.8 suport. [sobolevn]

Commits

• 249b107 Preparing release 3.0.1
• 3955073 Merge pull request #89 from pkolbus/issue-88-pin-dependencies
• bb9142e Revert 'Add comment for outdated pin'
• 0ac6b7a Add comment for outdated pin
• b1f831c Pin major version of all dependencies
• b9e5339 Back to development: 3.0.1
• a23f39c Preparing release 3.0.0
• 66c3a12 Add CHANGES
• 603c4c5 Merge pull request #79 from jnns/noconf
• 467b3df Add test for each config file
• Additional commits viewable in compare view

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