Reformat code with automated tools

Apply standardized code style

.github/CONTRIBUTING.md

@@ -3,23 +3,23 @@ We welcome all contributions: issue reports, bug fixes, documentation improvemen
 new features, ideas and suggestions, and anything else to help improve the package.
 
 Before posting **questions** or **issues** in GitHub, please check out
-[*Getting support*][support] and [*Troubleshooting*][troubleshooting]
+[_Getting support_][support] and [_Troubleshooting_][troubleshooting]
 in the Anymail docs. Also…
 
-> …when you're reporting a problem or bug, it's *really helpful* to include:
-> * which **ESP** you're using (Mailgun, SendGrid, etc.)
-> * what **versions** of Anymail, Django, and Python you're running
-> * any error messages and exception stack traces
-> * the relevant portions of your code and settings
-> * any [troubleshooting] you've tried
+> …when you're reporting a problem or bug, it's _really helpful_ to include:
+>
+> - which **ESP** you're using (Mailgun, SendGrid, etc.)
+> - what **versions** of Anymail, Django, and Python you're running
+> - any error messages and exception stack traces
+> - the relevant portions of your code and settings
+> - any [troubleshooting] you've tried
 
 For more info on **pull requests** and the **development** environment,
-please see [*Contributing*][contributing] in the docs. For significant
+please see [_Contributing_][contributing] in the docs. For significant
 new features or breaking changes, it's always a good idea to
 propose the idea in the [discussions] forum before writing
 a lot of code.
 
-
 [contributing]: https://anymail.readthedocs.io/en/stable/contributing/
 [discussions]: https://github.com/anymail/django-anymail/discussions
 [support]: https://anymail.readthedocs.io/en/stable/help/#support

.github/ISSUE_TEMPLATE.md

@@ -1,9 +1,9 @@
 Reporting an error? It's helpful to know:
 
-* Anymail version
-* ESP (Mailgun, SendGrid, etc.)
-* Your ANYMAIL settings (change secrets to "redacted")
-* Versions of Django, requests, python
-* Exact error message and/or stack trace
-* Any other relevant code and settings (e.g., for problems
+- Anymail version
+- ESP (Mailgun, SendGrid, etc.)
+- Your ANYMAIL settings (change secrets to "redacted")
+- Versions of Django, requests, python
+- Exact error message and/or stack trace
+- Any other relevant code and settings (e.g., for problems
   sending, your code that sends the message)

.github/workflows/integration-test.yml

@@ -3,15 +3,14 @@ name: integration-test
 on:
   pull_request:
   push:
-    branches: [ "main", "v[0-9]*" ]
-    tags: [ "v[0-9]*" ]
+    branches: ["main", "v[0-9]*"]
+    tags: ["v[0-9]*"]
   workflow_dispatch:
   schedule:
     # Weekly test (on branch main) every Thursday at 12:15 UTC.
     # (Used to monitor compatibility with ESP API changes.)
     - cron: "15 12 * * 4"
 
-
 jobs:
   skip_duplicate_runs:
     # Avoid running the live integration tests twice on the same code

.github/workflows/release.yml

@@ -14,7 +14,7 @@ name: release
 
 on:
   push:
-    tags: [ "v[0-9]*" ]
+    tags: ["v[0-9]*"]
   workflow_dispatch:
 
 jobs:

.github/workflows/test.yml

@@ -3,15 +3,14 @@ name: test
 on:
   pull_request:
   push:
-    branches: [ "main", "v[0-9]*" ]
-    tags: [ "v[0-9]*" ]
+    branches: ["main", "v[0-9]*"]
+    tags: ["v[0-9]*"]
   workflow_dispatch:
   schedule:
     # Weekly test (on branch main) every Thursday at 12:00 UTC.
     # (Used to monitor compatibility with Django patches/dev and other dependencies.)
     - cron: "0 12 * * 4"
 
-
 jobs:
   get-envlist:
     runs-on: ubuntu-20.04