Update from https://crrev.com/306724

third_party/cython/rules.gni

Index: third_party/cython/rules.gni
diff --git a/third_party/cython/rules.gni b/third_party/cython/rules.gni
index cea1e363cbd95137b698e0ee923af97002e4a2f8..3938110df18dc381dffb92a7c4efabfab4939c4c 100644
--- a/third_party/cython/rules.gni
+++ b/third_party/cython/rules.gni
@@ -20,7 +20,9 @@ template("python_binary_module_sources") {
     visibility = target_visibility
     script = cython_script
     sources = invoker.sources
-    outputs = [ cython_output ]
+    outputs = [
+      cython_output,
+    ]
     args = [
              "--cplus",
              "-I",
@@ -115,8 +117,9 @@ template("python_binary_module") {
     sources = [
       "$root_out_dir/${shared_library_prefix}${shared_library_name}${shared_library_suffix}",
     ]
-    outputs =
-        [ "$root_out_dir/python/$python_base_module/${target_name}${python_module_suffix}" ]
+    outputs = [
+      "$root_out_dir/python/$python_base_module/${target_name}${python_module_suffix}",
+    ]
     deps = [
       ":$shared_library_name",
     ]