diff --git a/server/plugins/aaa.py b/server/plugins/aaa.py
index c654a4c..6c31780 100644
--- a/server/plugins/aaa.py
+++ b/server/plugins/aaa.py
@@ -26,11 +26,11 @@
 def can_access_email(session: plugins.session.SessionObject, email) -> bool:
     """Determine if an email can be accessed by the current user"""
     # If public email, it can always be accessed
-    if not email.get('private'):
+    if not email.get("private"):
         return True
     else:
         # If user can access the list, they can read the email
-        if can_access_list(session, email.get('list_raw')):
+        if can_access_list(session, email.get("list_raw")):
             return True
         # If no access to list and email is private, deny access to email.
         else:
diff --git a/server/plugins/background.py b/server/plugins/background.py
index dc43d69..5e9e3e9 100644
--- a/server/plugins/background.py
+++ b/server/plugins/background.py
@@ -57,7 +57,6 @@
     )
     s.aggs.bucket("per_list", "terms", field="list_raw")
 
-
     res = await client.search(
         index=database.db_prefix + "-mbox", body=s.to_dict(), size=0
     )
@@ -208,5 +207,8 @@
             try:
                 server.data.activity = await get_public_activity(server.config.database)
             except plugins.database.DBError as e:
-                print("Could not fetch activity data - database down or not connected: %s" % e)
+                print(
+                    "Could not fetch activity data - database down or not connected: %s"
+                    % e
+                )
         await asyncio.sleep(server.config.tasks.refresh_rate)
diff --git a/server/plugins/configuration.py b/server/plugins/configuration.py
index 4546a59..54417cb 100644
--- a/server/plugins/configuration.py
+++ b/server/plugins/configuration.py
@@ -15,18 +15,20 @@
 
 
 class UIConfig:
-    wordcloud:      bool
-    mailhost:       str
+    wordcloud: bool
+    mailhost: str
     sender_domains: str
-    traceback:      bool
+    traceback: bool
 
     def __init__(self, subyaml: dict):
-        self.wordcloud = bool(subyaml.get('wordcloud', False))
-        self.mailhost = subyaml.get('mailhost', '')  # Default to nothing (disabled)
-        self.sender_domains = subyaml.get('sender_domains', '')  # Default to nothing (disabled)
+        self.wordcloud = bool(subyaml.get("wordcloud", False))
+        self.mailhost = subyaml.get("mailhost", "")  # Default to nothing (disabled)
+        self.sender_domains = subyaml.get(
+            "sender_domains", ""
+        )  # Default to nothing (disabled)
         # Default to spitting out traceback to web clients
         # Set to false in yaml to redirect to stderr instead.
-        self.traceback = subyaml.get('traceback', True)
+        self.traceback = subyaml.get("traceback", True)
 
 
 class OAuthConfig:
@@ -36,10 +38,10 @@
     github_client_secret: str
 
     def __init__(self, subyaml: dict):
-        self.authoritative_domains = subyaml.get('authoritative_domains', [])
-        self.google_client_id = subyaml.get('google_client_id', '')
-        self.github_client_id = subyaml.get('github_client_id', '')
-        self.github_client_secret = subyaml.get('github_client_secret', '')
+        self.authoritative_domains = subyaml.get("authoritative_domains", [])
+        self.google_client_id = subyaml.get("google_client_id", "")
+        self.github_client_id = subyaml.get("github_client_id", "")
+        self.github_client_secret = subyaml.get("github_client_secret", "")
 
 
 class DBConfig:
diff --git a/server/plugins/oauthGeneric.py b/server/plugins/oauthGeneric.py
index 0676261..6bf5da1 100644
--- a/server/plugins/oauthGeneric.py
+++ b/server/plugins/oauthGeneric.py
@@ -10,8 +10,10 @@
         oauth_domain = m.group(1)
         headers = {"User-Agent": "Pony Mail OAuth Agent/0.1"}
         # This is a synchronous process, so we offload it to an async runner in order to let the main loop continue.
-        rv = await server.runners.run(requests.post, formdata["oauth_token"], headers=headers, data=formdata)
+        rv = await server.runners.run(
+            requests.post, formdata["oauth_token"], headers=headers, data=formdata
+        )
         js = rv.json()
         js["oauth_domain"] = oauth_domain
-        js['authoritative'] = True
+        js["authoritative"] = True
     return js
diff --git a/server/plugins/server.py b/server/plugins/server.py
index 0d96ed3..795e7ea 100644
--- a/server/plugins/server.py
+++ b/server/plugins/server.py
@@ -7,6 +7,7 @@
 import plugins.configuration
 import plugins.offloader
 
+
 class Endpoint:
     exec: typing.Callable
 
diff --git a/server/plugins/session.py b/server/plugins/session.py
index 40f64a8..e18a449 100644
--- a/server/plugins/session.py
+++ b/server/plugins/session.py
@@ -100,7 +100,7 @@
             )
             if "ponymail" in cookies:
                 session_id = cookies["ponymail"].value
-                if not all(c in 'abcdefg1234567890-' for c in session_id):
+                if not all(c in "abcdefg1234567890-" for c in session_id):
                     session_id = None
                 break
 
@@ -145,18 +145,21 @@
             # Get CID and fecth the account data
             cid = session_doc["_source"]["cid"]
             if cid:
-                account_doc = await session.database.get(session.database.dbs.account, id=cid)
-                creds = account_doc["_source"]['credentials']
-                internal = account_doc['_source']['internal']
+                account_doc = await session.database.get(
+                    session.database.dbs.account, id=cid
+                )
+                creds = account_doc["_source"]["credentials"]
+                internal = account_doc["_source"]["internal"]
 
                 # Set session data
                 session.cid = cid
                 session.last_accessed = last_update
                 creds["authoritative"] = (
-                    internal.get("oauth_provider") in server.config.oauth.authoritative_domains
+                    internal.get("oauth_provider")
+                    in server.config.oauth.authoritative_domains
                 )
-                creds['oauth_provider'] = internal.get('oauth_provider', 'generic')
-                creds['oauth_data'] = internal.get('oauth_data', {})
+                creds["oauth_provider"] = internal.get("oauth_provider", "generic")
+                creds["oauth_data"] = internal.get("oauth_data", {})
                 session.credentials = SessionCredentials(creds)
 
                 # Save in memory storage
@@ -172,7 +175,9 @@
     session_id = str(uuid.uuid4())
     cookie: http.cookies.SimpleCookie = http.cookies.SimpleCookie()
     cookie["ponymail"] = session_id
-    session = SessionObject(server, last_accessed=time.time(), cookie=session_id, cid=cid)
+    session = SessionObject(
+        server, last_accessed=time.time(), cookie=session_id, cid=cid
+    )
     session.credentials = SessionCredentials(credentials)
     server.data.sessions[session_id] = session
 
@@ -206,10 +211,7 @@
 async def remove_session(session: SessionObject):
     """Remove a session object in the ES database"""
     assert session.database, "Database not connected!"
-    await session.database.delete(
-        index=session.database.dbs.session,
-        id=session.cookie
-    )
+    await session.database.delete(index=session.database.dbs.session, id=session.cookie)
 
 
 async def save_credentials(session: SessionObject):
@@ -229,6 +231,6 @@
             "internal": {
                 "oauth_provider": session.credentials.oauth_provider,
                 "oauth_data": session.credentials.oauth_data,
-            }
+            },
         },
     )