diff --git a/Makefile b/Makefile
index 7cd207c007625320d57a4f5fde0fae728296b994..4a35193b0cc495b3e5ed6274abe7a10723229183 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,11 @@ SHELL = /bin/bash
 # PROJECT to give a final Docker tag of artefact.skao.int/ska-tango-base
 PROJECT = ska-tango-base
 IMAGE_FOR_DIAGRAMS = artefact.skao.int/ska-tango-images-pytango-builder:9.3.10
-PYTHON_BUILD_TYPE=tag_setup
+
+PYTHON_BUILD_TYPE = tag_setup
+PYTHON_SWITCHES_FOR_ISORT = --skip tests --skip src -w 79 
+PYTHON_SWITCHES_FOR_BLACK = --exclude src --exclude tests --line-length 79
+
 #
 # include makefile to pick up the standard Make targets, e.g., 'make build'
 # build, 'make push' docker push procedure, etc. The other Make targets