diff --git a/metropolis/test/localregistry/def.bzl b/metropolis/test/localregistry/def.bzl
index c5fc560..289dc34 100644
--- a/metropolis/test/localregistry/def.bzl
+++ b/metropolis/test/localregistry/def.bzl
@@ -1,7 +1,7 @@
 #load("@io_bazel_rules_docker//container:providers.bzl", "ImageInfo")
 
 def _localregistry_manifest_impl(ctx):
-    manifest_out = ctx.actions.declare_file(ctx.label.name+".prototxt")
+    manifest_out = ctx.actions.declare_file(ctx.label.name + ".prototxt")
 
     images = []
     referenced = [manifest_out]
@@ -17,7 +17,6 @@
     ctx.actions.write(manifest_out, proto.encode_text(struct(images = images)))
     return [DefaultInfo(runfiles = ctx.runfiles(files = referenced), files = depset([manifest_out]))]
 
-
 localregistry_manifest = rule(
     implementation = _localregistry_manifest_impl,
     doc = """
@@ -29,7 +28,7 @@
             doc = """
                 List of images to be served from the local registry.
             """,
-           providers = [],
+            providers = [],
         ),
     },
 )