Makefile

@@ -22,6 +22,12 @@ Checking
 - check_structure      to check the structure of all .rst files.
 - check_syntax         to check the syntax of all .rst files.
 - check_spelling       to check spelling for text in RST files.
+
+Python Scripts
+--------------
+
+- format_py            to auto-format Python scripts.
+
 endef
 # HELP_TEXT (end)
 
@@ -117,6 +123,9 @@ report_po_progress:
 	@python3 tools_report/report_translation_progress.py --quiet \
 	         `find locale/ -maxdepth 1 -mindepth 1 -type d -not -iwholename '*.git*' -printf 'locale/%f\n' | sort`
 
+format_py:
+	@autopep8 --in-place --recursive .
+
 # ----------------------
 # Help for build targets