whitespace tweaks
diff --git a/lib/shelf_static.dart b/lib/shelf_static.dart
index a2eba04..57abec9 100644
--- a/lib/shelf_static.dart
+++ b/lib/shelf_static.dart
@@ -86,10 +86,8 @@
     }
 
     var fileStat = file.statSync();
-
     var ifModifiedSince = request.ifModifiedSince;
 
-
     if (ifModifiedSince != null) {
       var fileChangeAtSecResolution = toSecondResolution(fileStat.changed);
       if (!fileChangeAtSecResolution.isAfter(ifModifiedSince)) {
@@ -103,7 +101,6 @@
     };
 
     var contentType = mime.lookupMimeType(requestedPath);
-
     if (contentType != null) {
       headers[HttpHeaders.CONTENT_TYPE] = contentType;
     }