From d488bc80b0aa1aceabd7ecd837632a264e79b1fa Mon Sep 17 00:00:00 2001
From: Yoshi Automation Bot
 <44816363+yoshi-automation@users.noreply.github.com>
Date: Wed, 20 Feb 2019 10:46:41 -0800
Subject: [PATCH] Add clarifying comment to blacken nox target. (#7398)

Add clarifying comment to blacken nox target.
---
 noxfile.py     |  4 ++++
 synth.metadata | 10 +++++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/noxfile.py b/noxfile.py
index 044b6f60..e3d6870a 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -45,6 +45,10 @@ def blacken(session):
     """Run black.
 
     Format code to uniform standard.
+    
+    This currently uses Python 3.6 due to the automated Kokoro run of synthtool.
+    That run uses an image that doesn't have 3.6 installed. Before updating this
+    check the state of the `gcp_ubuntu_config` we use for that Kokoro run.
     """
     session.install("black")
     session.run(
diff --git a/synth.metadata b/synth.metadata
index f3b72b6b..d78e6b63 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-02-02T13:24:31.098819Z",
+  "updateTime": "2019-02-20T18:11:39.184107Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.8",
-        "dockerImage": "googleapis/artman@sha256:75bc07ef34a1de9895c18af54dc503ed3b3f3b52e85062e3360a979d2a0741e7"
+        "version": "0.16.13",
+        "dockerImage": "googleapis/artman@sha256:5fd9aee1d82a00cebf425c8fa431f5457539562f5867ad9c54370f0ec9a7ccaa"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "bce093dab3e65c40eb9a37efbdc960f34df6037a",
-        "internalRef": "231974277"
+        "sha": "18ab81eec27942a942622d5a8d9c9e7a202e8c16",
+        "internalRef": "234814197"
       }
     },
     {