Merge pull request #3607 from WenmuZhou/updata_opencv_2.2

cp 3523

requirements.txt

@@ -7,7 +7,7 @@ tqdm
 numpy
 visualdl
 python-Levenshtein
-opencv-contrib-python==4.2.0.32
+opencv-contrib-python==4.4.0.46
 lxml
 premailer
-openpyxl
+openpyxl
\ No newline at end of file