Adding pyproject.toml

pyproject.toml

@@ -0,0 +1,7 @@
+# See https://setuptools.readthedocs.io/en/latest/build_meta.html
+
+[build-system]
+# Use setuptools >= 43 because it automatically includes pyproject.toml in source distribution
+# Use setuptools >= 46.5 to use attr: package.__version__
+# https://setuptools.readthedocs.io/en/latest/history.html#id284
+requires = ["setuptools", "wheel"]