README.rst : Correct a missing closing parenthesis
minor #152 README.rst : Correct a missing closing parenthesis (andylibrian)

This PR was merged into the 3.0.x-dev branch.

Discussion
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README.rst : Correct a missing closing parenthesis

I just noticed that an example on the README was missing a closing parentheses. Thanks.

Commits
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c15b3c3 README.rst : Correct a missing closing parenthesis