Stick to pillow version on Windows build

4.3.0 compiles fine on msys2, later version current not.

Stick to pillow version on Windows build
4.3.0 compiles fine on msys2, later version current not.
bd3d195b · Philipp Hörist · 32e873e6 · bd3d195b
Commit bd3d195b authored 7 years ago by Philipp Hörist
--- a/win/_base.sh
+++ b/win/_base.sh
@@ -93,7 +93,7 @@ python-gnupg
 docutils
 qrcode
 keyring
-pillow
+pillow==4.3.0
 "

    build_pip install --no-binary ":all:" \