diff --git a/tsdb/db_test.go b/tsdb/db_test.go
index fc633e1b2a..1bb1dd5ec0 100644
--- a/tsdb/db_test.go
+++ b/tsdb/db_test.go
@@ -5847,7 +5847,7 @@ func testOOONativeHistogramsWithCounterResets(t *testing.T, scenario sampleTypeS
 		//			expCounterResetHints: []histogram.CounterResetHint{histogram.UnknownCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.CounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset, histogram.NotCounterReset},
 		//		},
 		//	},
-		//},
+		// },
 		//{
 		//	name:     "Counter reset right at beginning of OOO samples",
 		//	queryMin: minutes(40),
diff --git a/tsdb/ooo_head.go b/tsdb/ooo_head.go
index 71abc52041..9854b915e9 100644
--- a/tsdb/ooo_head.go
+++ b/tsdb/ooo_head.go
@@ -15,9 +15,11 @@ package tsdb
 
 import (
 	"fmt"
-	"github.com/prometheus/prometheus/model/histogram"
 	"sort"
 
+
+	"github.com/prometheus/prometheus/model/histogram"
+
 	"github.com/prometheus/prometheus/tsdb/chunkenc"
 
 	"github.com/oklog/ulid"
diff --git a/tsdb/ooo_head_test.go b/tsdb/ooo_head_test.go
index 9ea6db1a3c..c70d7943e8 100644
--- a/tsdb/ooo_head_test.go
+++ b/tsdb/ooo_head_test.go
@@ -14,9 +14,11 @@
 package tsdb
 
 import (
-	"github.com/prometheus/prometheus/tsdb/tsdbutil"
 	"testing"
 
+
+	"github.com/prometheus/prometheus/tsdb/tsdbutil"
+
 	"github.com/stretchr/testify/require"
 )
 
diff --git a/tsdb/testutil.go b/tsdb/testutil.go
index 5eea42d78b..e2e6fc2c2e 100644
--- a/tsdb/testutil.go
+++ b/tsdb/testutil.go
@@ -14,9 +14,11 @@
 package tsdb
 
 import (
-	"github.com/prometheus/prometheus/tsdb/tsdbutil"
 	"testing"
 
+
+	"github.com/prometheus/prometheus/tsdb/tsdbutil"
+
 	prom_testutil "github.com/prometheus/client_golang/prometheus/testutil"
 
 	"github.com/stretchr/testify/require"