Restored setuptools-scm.

lib/charms/layer/basic.py

@@ -108,7 +108,7 @@ def bootstrap_charm_deps():
         # this replaces the setuptools that was copied over from the system on
         # venv create with latest setuptools and adds setuptools_scm
         check_call([pip, 'install', '-U', '--no-index', '-f', 'wheelhouse',
-                    'setuptools',]) # GARR. Attardi. 'setuptools-scm'])
+                    'setuptools', 'setuptools-scm'])
         # install the rest of the wheelhouse deps
         check_call([pip, 'install', '-U', '--no-index', '-f', 'wheelhouse'] +
                    glob('wheelhouse/*'))