formatting

src/main/scala/com/mesonomics/playhmacsignatures/SlackSignatureVerifyAction.scala

@@ -13,14 +13,15 @@ import play.api.mvc.BodyParsers
 import scala.concurrent.ExecutionContext
 
 object SlackSignatureVerifyAction {
-    def convertBytesToHex(bytes: Seq[Byte]): String = {
-      val sb = new StringBuilder
-      for (b <- bytes) {
-        sb.append(String.format("%02x", Byte.box(b)))
-      }
-      sb.toString
+  def convertBytesToHex(bytes: Seq[Byte]): String = {
+    val sb = new StringBuilder
+    for (b <- bytes) {
+      sb.append(String.format("%02x", Byte.box(b)))
     }
+    sb.toString
+  }
 }
+
 /** This class can be used to validate signatures in
   * [[https://api.slack.com/authentication/verifying-requests-from-slack#verifying-requests-from-slack-using-signing-secrets__a-recipe-for-security__step-by-step-walk-through-for-validating-a-request Slack requests]].
   *