bump pillow version to 8.1.0 (#1353)

Co-authored-by: Brian Johnson <[email protected]>

Author: Randall Hunt

.jenkins/build.sh

@@ -32,9 +32,7 @@ python -m spacy download de
 # PyTorch Theme
 rm -rf src
 pip install -e git+git://github.com/pytorch/pytorch_sphinx_theme.git#egg=pytorch_sphinx_theme
-# pillow >= 4.2 will throw error when trying to write mode RGBA as JPEG,
-# this is a workaround to the issue.
-pip install sphinx-gallery==0.3.1 tqdm matplotlib ipython pillow==4.1.1
+pip install sphinx-gallery==0.3.1 tqdm matplotlib ipython pillow==8.1.0
 
 aws configure set default.s3.multipart_threshold 5120MB
 

requirements.txt

@@ -25,9 +25,7 @@ ipython
 # to run examples
 pandas
 scikit-image
-# pillow >= 4.2 will throw error when trying to write mode RGBA as JPEG,
-# this is a workaround to the issue.
-pillow==7.1.0
+pillow==8.1.0
 wget
 gym
 gym-super-mario-bros==7.3.0