rename master -> main

Author: nschloe

Makefile

@@ -4,14 +4,14 @@ default:
 	@echo "\"make publish\"?"
 
 tag:
-	# Make sure we're on the master branch
-	@if [ "$(shell git rev-parse --abbrev-ref HEAD)" != "master" ]; then exit 1; fi
+	# Make sure we're on the main branch
+	@if [ "$(shell git rev-parse --abbrev-ref HEAD)" != "main" ]; then exit 1; fi
 	curl -H "Authorization: token `cat $(HOME)/.github-access-token`" -d '{"tag_name": "v$(VERSION)"}' https://api.github.com/repos/nschloe/tikzplotlib/releases
 
 upload: clean
-	@if [ "$(shell git rev-parse --abbrev-ref HEAD)" != "master" ]; then exit 1; fi
+	@if [ "$(shell git rev-parse --abbrev-ref HEAD)" != "main" ]; then exit 1; fi
 	# https://stackoverflow.com/a/58756491/353337
-	python3 -m pep517.build --source --binary .
+	python3 -m build --sdist --wheel .
 	twine upload dist/*
 
 publish: tag upload

setup.cfg

@@ -37,6 +37,3 @@ install_requires =
     numpy
     Pillow
 python_requires = >=3.6
-setup_requires =
-    setuptools>=42
-    wheel