Format code style to fit the precommit standard

Author: RafaelLyra8

bluesky_httpserver/authorization/resource_access.py

@@ -83,7 +83,7 @@ class SingleGroupResourceAccessControl(DefaultResourceAccessControl):
     Single group resource access policy.
     The resource access policy associates users with its correspondent first user group. The groups
     define the resources, such as plans and devices users can access. The
-    single group policy assumes that one user belong to a single group or if they are unauthenticated or 
+    single group policy assumes that one user belong to a single group or if they are unauthenticated or
     have authenticated with a single-user API key, it uses the default user group.
     The arguments of the class constructor are the same as the one specified in the DefaultResourceAccessControl configuration
     file as shown in the example below.
@@ -120,10 +120,7 @@ def get_resource_group(self, username, group):
             Name of the user group.
         """
         if isinstance(group, list):
-            if group[0] in ['unauthenticated_public', 'unauthenticated_single_user']:
+            if group[0] in ["unauthenticated_public", "unauthenticated_single_user"]:
                 return self.get_resource_group(username, group)
             return group[0]
         return group
-
-
-