10:29:19 [ERROR] Failed to execute goal com.diffplug.spotless:spotless-maven-plugin:2.22.4:apply (default) on project buildtools: Execution default of goal com.diffplug.spotless:spotless-maven-plugin:2.22.4:apply failed: You specified version 19.10b0, but Spotless found version
10:29:19 [ERROR] Try running {@code pip install --force-reinstall black==19.10b0}, or else specify {@code black('version')} to Spotless
10:29:19 [ERROR] github issue to handle this better: https://github.com/diffplug/spotless/issues/674
10:29:19 [ERROR] > arguments: [/usr/local/bin/black, --version]
10:29:19 [ERROR] > exit code: 0
10:29:19 [ERROR] > stdout: black, version 19.10b0
10:29:19 [ERROR] > stderr: (empty)
10:29:19 [ERROR] -> [Help 1]
The regular expression was modified in #1178 to match the new version format, but no longer works for the previous format.