downgrade pyinstaller due to ruamel issue

vossen-adobe · vossen-adobe · commit 03c3f0815c44 · 2020-12-17T16:58:14.000-06:00
diff --git a/Makefile b/Makefile
@@ -15,7 +15,7 @@ endif
 
 standalone:
 	python -m pip install --upgrade pip
-	python -m pip install --upgrade pyinstaller
+	python -m pip install --upgrade pyinstaller==4.0
 	python -m pip install --upgrade setuptools
 	-$(RM) $(output_dir)
 	python .build/pre_build.py
