fixing golint issues to try to figure out test flakiness

media.go

@@ -3,9 +3,9 @@ package caddyhugo
 import (
 	"fmt"
 	"image"
-	_ "image/gif"
+	_ "image/gif" // for processing images
 	"image/jpeg"
-	_ "image/png"
+	_ "image/png" // for processing images
 	"io"
 	"net/http"
 	"os"
@@ -217,6 +217,9 @@ func (ch *CaddyHugo) uploadMedia(w http.ResponseWriter, r *http.Request) (int, e
 
 	for {
 		part, err := mr.NextPart()
+		if err == io.EOF {
+			break
+		}
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusBadRequest)
 			return 400, nil
@@ -344,7 +347,6 @@ func parseSizeString(str string, actual image.Rectangle) (image.Rectangle, error
 		// w was the only dimension given, so set it to the greater dimension
 		// of the actual image size
 		if actual.Dx() > actual.Dy() {
-			w = w
 			h = 0
 		} else {
 			h = w