ST-946 disable isort and black linting

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_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