Update black, and run auto formatting over the codebase (#9381)

 - Update black version to the latest
 - Run black auto formatting over the codebase
    - Run autoformatting according to [`docs/code_style.md
`](https://github.com/matrix-org/synapse/blob/80d6dc9783aa80886a133756028984dbf8920168/docs/code_style.md)
 - Update `code_style.md` docs around installing black to use the correct version

1 files changed, 9 insertions, 4 deletions

diff --git a/synapse/config/oidc_config.py b/synapse/config/oidc_config.py
index d081f36fa5..a27594befc 100644
--- a/synapse/config/oidc_config.py
+++ b/synapse/config/oidc_config.py
@@ -355,9 +355,10 @@ def _parse_oidc_config_dict(
     ump_config.setdefault("module", DEFAULT_USER_MAPPING_PROVIDER)
     ump_config.setdefault("config", {})
 
-    (user_mapping_provider_class, user_mapping_provider_config,) = load_module(
-        ump_config, config_path + ("user_mapping_provider",)
-    )
+    (
+        user_mapping_provider_class,
+        user_mapping_provider_config,
+    ) = load_module(ump_config, config_path + ("user_mapping_provider",))
 
     # Ensure loaded user mapping module has defined all necessary methods
     required_methods = [
@@ -372,7 +373,11 @@ def _parse_oidc_config_dict(
     if missing_methods:
         raise ConfigError(
             "Class %s is missing required "
-            "methods: %s" % (user_mapping_provider_class, ", ".join(missing_methods),),
+            "methods: %s"
+            % (
+                user_mapping_provider_class,
+                ", ".join(missing_methods),
+            ),
             config_path + ("user_mapping_provider", "module"),
         )