fix color format for output image

app.py

@@ -41,10 +41,10 @@ def predict(img: np.ndarray) -> str:
     #plt.imshow(result)
     print(f'result is: {type(result)}')
     print(result.shape)
-    print(result)
+    #print(result)
     
     result_fp = 'temp_result.jpg'
-    cv2.imwrite(result_fp, result)
+    cv2.imwrite(result_fp, cv2.cvtColor(result, cv2.cv2.COLOR_BGR2RGB))
     return result_fp