Fix build backend, addressing version issues. Fixes #363 (#366)

Author: jelmer

NEWS

@@ -3,6 +3,18 @@ testtools NEWS
 
 Changes and improvements to testtools_, grouped by release.
 
+2.7.1
+~~~~~
+
+Improvements
+~~~~~~~~~~~~
+
+* Remove various unused imports.
+  (Jelmer Vernooij)
+
+* Fix build backend. This should prevent version from being set to 0.0.0
+  when building wheels.  (Jelmer Vernooij, #363)
+
 2.7.0
 ~~~~~
 

pyproject.toml

@@ -12,8 +12,8 @@ module = [
 ignore_missing_imports = true
 
 [build-system]
-requires = ["setuptools>=61"]
-build-backend = "setuptools.build_meta"
+requires = ["setuptools>=61", "hatchling", "hatch_vcs"]
+build-backend = "hatchling.build"
 
 [project]
 name = "testtools"