Add missing import to promtool, fix build (#4395)

Sorry, I used GitHub's web-based merge-conflict-resolution editor on
https://github.com/prometheus/prometheus/pull/4308 and it didn't show me
test errors afterwards, but maybe they didn't run again or I should have
waited or something.

Signed-off-by: Julius Volz <julius.volz@gmail.com>
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Julius Volz 2018-07-18 10:26:45 +02:00 committed by GitHub
parent 125da3b812
commit 95dfb1b1dd
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@ -18,6 +18,7 @@ import (
"fmt"
"io/ioutil"
"math"
"net/url"
"os"
"path/filepath"
"strconv"