pebble: minor checkstyle fix
@@ -14,14 +14,17 @@ import com.mitchellbosecke.pebble.loader.FileLoader;
import com.mitchellbosecke.pebble.loader.Loader;
import com.mitchellbosecke.pebble.template.PebbleTemplate;
import com.typesafe.config.Config;
-import io.jooby.*;
+import io.jooby.Environment;
+import io.jooby.Extension;
+import io.jooby.Jooby;
+import io.jooby.ServiceRegistry;
+import io.jooby.TemplateEngine;
import javax.annotation.Nonnull;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
-import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.concurrent.ExecutorService;
