git commit not returning to prompt

After running `git commit` and going through the interactive prompts, commitizen doesn't return to prompt. Instead it puts me into vim and am forced to exist with `:qa`.

I'm using the husky method:
```
"husky": {
"hooks": {
"prepare-commit-msg": "exec < /dev/tty && git cz --hook || true",
}
}
```

My environment:
OSX: 10.15.7
Yarn 1.22.10
Node 12.20.1
NPM 6.14.10
commitizen: 4.2.3
cz-conventional-changelog: 3.3.0

Start by reproducing the issue with `git commit` and the shown Husky `prepare-commit-msg` hook on the listed environment. Trace the interaction between the hook, commitizen, and Vim; done means the interactive commit flow returns to the shell prompt without opening Vim unexpectedly.

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