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-rw-r--r--src/libstd/io/timer.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstd/io/timer.rs b/src/libstd/io/timer.rs
index e073f76af82..de4270e705b 100644
--- a/src/libstd/io/timer.rs
+++ b/src/libstd/io/timer.rs
@@ -225,6 +225,8 @@ fn in_ms_u64(d: Duration) -> u64 {
 
 #[cfg(test)]
 mod test {
+    use prelude::v1::*;
+
     use super::Timer;
     use thread::Thread;
     use time::Duration;