tree f40c40064a10f212ef33fad1857ee54a28e8a67f
parent 452a2e5b42bca5d90d7dfdba51555cbeead4fd56
author Paul Berry <stereotype441@gmail.com> 1601415573 -0700
committer GitHub <noreply@github.com> 1601415573 -0700
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Remove unnecessary cast. (#117)

This cast was working around
https://github.com/dart-lang/sdk/issues/43136.  Now that it is fixed,
the cast is no longer needed.