Pillow fails during docker build

[morriscode]

Step 9/18 : RUN pip3 install pillow
---> Running in 4490f2c5b3f2
Collecting pillow
Downloading https://files.pythonhosted.org/packages/2b/06/93bf1626ef36815010e971a5ce90f49919d84ab5d2fa310329f843a74bc1/Pillow-8.0.1.tar.gz (44.6MB)
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-build-_v_le2ma/pillow/setup.py", line 42
f"Pillow {PILLOW_VERSION} does not support Python "
^
SyntaxError: invalid syntax

[morriscode]

Fixed it by upgrading pip prior to the pillow install
32 # Install PIL library
33 #
34 RUN pip3 install --upgrade pip
35 RUN pip3 install pillow