App bug fix.

app.py

@@ -115,17 +115,22 @@ def plot_results(pil_img, prob, boxes):
     
     for p, (xmin, ymin, xmax, ymax) in zip(prob, boxes.tolist()):
         cl = p.argmax()
-        c = colors[cl]
+        c = int(colors[cl])
         c1, c2 = (int(xmin), int(ymin)), (int(xmax), int(ymax))
 
-        cv2.rectangle(img, c1, c2, [0,255,255], thickness=2, lineType=cv2.LINE_AA)
-        # cv2.text(
-        #     [xmin + 5, ymin + 5], 
-        #     f'{id2label[cl.item()]}: {p[cl]:0.2f}',
-        #     fill=c)
+        cv2.rectangle(img, c1, c2, c, thickness=2, lineType=cv2.LINE_AA)
+        
+        cv2.putText(
+            img, 
+            f'{id2label[cl.item()]}: {p[cl]:0.2f}', 
+            [xmin + 5, ymin + 5], 
+            cv2.FONT_HERSHEY_SIMPLEX, 
+            0.7, 
+            c, 
+            2)
         # ax.text(xmin, ymin, text, fontsize=10,
         #         bbox=dict(facecolor=c, alpha=0.5))
-    return Image.fromarray(img[:,:,::-1])
+    return Image.fromarray(img)
     # return fig