sftp_test.go: Fixup import path
diff --git a/sftp_test.go b/sftp_test.go
index 49bdda8..8c48652 100644
--- a/sftp_test.go
+++ b/sftp_test.go
@@ -18,7 +18,7 @@
 	"io/ioutil"
 	"testing"
 
-	"github.com/xor-gate/afero"
+	"github.com/spf13/afero"
 
 	"golang.org/x/crypto/ssh"
 	"github.com/pkg/sftp"