Use pkg_resources to show current version

Makefile

@@ -1,9 +1,6 @@
 default: install
 
-version_synced:
-	[[ $$(grep -A1 '# version-marker' nvr/nvr.py | tail -n1 | grep -o '[0-9\.]\+') = $$(grep version setup.py | grep -o '[0-9\.]\+') ]]
-
-install: version_synced
+install:
 	python3 setup.py install
 
 test:

nvr/nvr.py

@@ -387,8 +387,9 @@ def main(argv=sys.argv, env=os.environ):
     options, arguments = parse_args(argv)
 
     if options.version:
-        # version-marker
-        print('nvr 2.2.3')
+        import pkg_resources
+        version = pkg_resources.require('neovim-remote')[0].version
+        print('nvr {}'.format(version))
         return
 
     if options.serverlist: