erykoff 0969ca4a46 Change sys.exit to raise ImportError (#2440) ... The fix for #1688 in #1761 breaks help("modules") introspection and also leads to unhappy results when inadvertently importing blackd from Python. Basically the sys.exit(-1) causes the whole Python REPL to exit -- not great to suffice. Commit history before merge: * Change sys.exit to Raise. * Add #2440 to changelog. * Fix lint error from prettier * Remove exception chain for more helpful user message. Co-authored-by: Richard Si <63936253+ichard26@users.noreply.github.com>		2021-08-24 16:59:24 -04:00
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__init__.py	Change sys.exit to raise ImportError (#2440)	2021-08-24 16:59:24 -04:00