Merge ~ballot/autocert-charm/+git/autocert-charm:fix_bionic into autocert-charm:master

[Benjamin Allot]

Fix autocert install on bionic

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

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

[🤖 Canonical IS Review Bot (canonical-is-reviewbot)]

Proxy approval for barryprice

review: Approve

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

Merge proposal is approved, but source revision has changed, setting status to needs review.

[Haw Loeung (hloeung)]

LGTM

review: Approve (+1)

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

Change successfully merged at revision fcd0748fffd2144981ad7312c1ce94285cc47843

diff --git a/charmcraft.yaml b/charmcraft.yaml
index a9e8c86..3c98788 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -16,4 +16,5 @@ parts:
   charm:
     source: .
     plugin: reactive
-    build-snaps: [charm]
+    build-snaps:
+      - charm/2.x/stable
diff --git a/config.yaml b/config.yaml
index 8ab0a14..371c965 100644
--- a/config.yaml
+++ b/config.yaml
@@ -53,6 +53,8 @@ options:
     description: Prefix for saved cert/key files, e.g. "autocert" for "autocert_<foo.example.com>.crt"
   install_sources:
     default: "ppa:autocert-devs/stable"
+    type: string
+    description: PPA or repository to install the package from
   run_weekdays:
     default: False
     type: boolean
diff --git a/metadata.yaml b/metadata.yaml
index 6aca766..6b0ac52 100644
--- a/metadata.yaml
+++ b/metadata.yaml
@@ -1,7 +1,7 @@
 name: autocert
 summary: Automated X.509 certificate/key renewal service client
 maintainers:
-  - launchpad.net/~autocert-charmers
+  - Autocert Charmers <[e-mail]>
 issues: https://bugs.launchpad.net/autocert-charm
 series:
   - jammy
diff --git a/reactive/autocert.py b/reactive/autocert.py
index 984dabf..1f21632 100644
--- a/reactive/autocert.py
+++ b/reactive/autocert.py
@@ -266,7 +266,7 @@ def write_cert_config():
     # clean up previous config before rewriting fresh config from valid YAML
     if path.isdir(service_dir):
         # if the service directory already exists (i.e. skip if first run)
-        for (dirpath, dirnames, filenames) in walk(service_dir):
+        for dirpath, dirnames, filenames in walk(service_dir):
             break
 
         for f in filenames: