python: add Pillow as an optional requirement (fixes #1224)

4 years ago · eddaeb1280
parent 032a65e1cf
commit eddaeb1280
1 changed files with 1 additions and 0 deletions
--- a/python/requirements-optional.txt
+++ b/python/requirements-optional.txt
@ -1,3 +1,4 @@
 hidapi >= 0.7.99.post20
 rlp >= 1.1.0
 web3 >= 4.8
+Pillow