format code with gofumpt

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/node/formatter_test.go

@@ -59,7 +59,6 @@ func TestNodeContextWrite(t *testing.T) {
 		expected    string
 		clusterInfo swarm.ClusterInfo
 	}{
-
 		// Errors
 		{
 			context:     formatter.Context{Format: "{{InvalidFunction}}"},

cli/command/node/update.go

@@ -13,9 +13,7 @@ import (
 	"github.com/spf13/pflag"
 )
 
-var (
-	errNoRoleChange = errors.New("role was already set to the requested value")
-)
+var errNoRoleChange = errors.New("role was already set to the requested value")
 
 func newUpdateCommand(dockerCli command.Cli) *cobra.Command {
 	options := newNodeOptions()