Merge ~xavpaice/charm-grafana:blacken into charm-grafana:master

[Xav Paice]

Reformat to pass lint

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

This merge proposal is being monitored by mergebot. Change the status to Approved to merge.

[Drew Freiberger (afreiberger)]

LGTM, thanks!

review: Approve

[🤖 Canonical IS Merge Bot (canonical-is-mergebot)]

Change successfully merged at revision d732550248323f45272488b9e7790bfa7313274c

diff --git a/src/reactive/grafana.py b/src/reactive/grafana.py
index 04b7c27..f9e9a94 100644
--- a/src/reactive/grafana.py
+++ b/src/reactive/grafana.py
@@ -887,7 +887,9 @@ def generate_prometheus_dashboards(gf_adminpasswd, ds):
             "Exception while trying to reach prometheus API: {}".format(e),
             "ERROR",
         )
-        hookenv.status_set("blocked", "Exception reaching prometheus API whilst updating dashboards")
+        hookenv.status_set(
+            "blocked", "Exception reaching prometheus API whilst updating dashboards"
+        )
         return
 
     if response.status_code != 200:
diff --git a/src/tests/functional/tests/test_grafana.py b/src/tests/functional/tests/test_grafana.py
index 5832fe0..d0e54d4 100644
--- a/src/tests/functional/tests/test_grafana.py
+++ b/src/tests/functional/tests/test_grafana.py
@@ -252,9 +252,11 @@ class CharmOperationTest(BaseGrafanaTest):
         self.verify_iterative_backups()
 
     def test_15_grafana_datasource_updates(self):
-        """
-        Change the port on the associated datasource.
-        Ensures the model returns to idle after changing the prometheus port post deployment.
+        """Change the port on the associated datasource.
+
+        Ensures the model returns to idle after changing the prometheus port post
+        deployment.
+
         As per LP #1893320
         """
         datasource_application = "prometheus"