update pillow version

requirements.txt

@@ -1,9 +1,10 @@
 numpy >= 1.17.0
 scipy >= 1.5.2
 matplotlib >= 3.2.1
-pillow >= 6.2.0
+pillow >= 7.2.0
 pytest >= 4.3.1
 wheel >= 0.32.0
 setuptools >= 40.8.0
 scikit-learn >= 0.23.1
 easydict >= 1.9
+opencv-python >= 4.1.2.30

setup.py

@@ -129,7 +129,7 @@ setup(
         'scipy >= 1.5.2',
         'numpy >= 1.17.0',
         'matplotlib >= 3.2.1',
-        'pillow >= 6.2.0',
+        'pillow >= 7.2.0',
         'scikit-learn >= 0.23.1',
         'easydict >= 1.9',
         'opencv-python >= 4.1.2.30',