App bug fix.

app.py

@@ -113,7 +113,7 @@ def plot_results(pil_img, prob, boxes):
             fill=c)
         # ax.text(xmin, ymin, text, fontsize=10,
         #         bbox=dict(facecolor=c, alpha=0.5))
-    return Image.fromarray(pil_img[:,:,::-1])
+    return pil_img
     # return fig