chore(python): run blacken session for all directories with a noxfile (…

…#349)

Source-Link: googleapis/synthtool@bc0de6e
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:39ad8c0570e4f5d2d3124a509de4fe975e799e2b97e0f58aed88f8880d5a8b60

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:424d88d5d08ddd955782a4359559dc536e658db1a77416c9a4fff79df9519ad2
+  digest: sha256:39ad8c0570e4f5d2d3124a509de4fe975e799e2b97e0f58aed88f8880d5a8b60

.kokoro/docs/common.cfg

@@ -30,6 +30,7 @@ env_vars: {
 
 env_vars: {
     key: "V2_STAGING_BUCKET"
+    # Push google cloud library docs to the Cloud RAD bucket `docs-staging-v2`
     value: "docs-staging-v2"
 }
 

noxfile.py

@@ -101,7 +101,7 @@ def default(session):
         "py.test",
         "--quiet",
         f"--junitxml=unit_{session.python}_sponge_log.xml",
-        "--cov=google/cloud",
+        "--cov=google",
         "--cov=tests/unit",
         "--cov-append",
         "--cov-config=.coveragerc",