diff --git a/api/obs/api/db.py b/api/obs/api/db.py
index 5b15573..6fd33ea 100644
--- a/api/obs/api/db.py
+++ b/api/obs/api/db.py
@@ -59,7 +59,7 @@ async def init_models():
 
 def random_string(length):
     letters = string.ascii_lowercase + string.digits
-    return "".join(random.choice(letters) for i in range(length))
+    return "".join(random.choice(letters) for _ in range(length))
 
 
 @asynccontextmanager
diff --git a/api/obs/api/process.py b/api/obs/api/process.py
index 9245487..d389bfb 100644
--- a/api/obs/api/process.py
+++ b/api/obs/api/process.py
@@ -54,7 +54,7 @@ async def process_tracks_loop(delay):
                 data_source = DataSource(tile_source)
 
                 await process_track(session, track, data_source)
-        except:
+        except BaseException:
             log.exception("Failed to process track. Will continue.")
             await asyncio.sleep(1)
             continue
diff --git a/api/obs/api/routes/info.py b/api/obs/api/routes/info.py
index 8509f9d..1d50f65 100644
--- a/api/obs/api/routes/info.py
+++ b/api/obs/api/routes/info.py
@@ -1,7 +1,5 @@
 import logging
 
-# from sqlalchemy import select
-
 from obs.api.app import api
 
 from sanic.response import json
diff --git a/api/obs/api/routes/login.py b/api/obs/api/routes/login.py
index dbc5463..fdd0c37 100644
--- a/api/obs/api/routes/login.py
+++ b/api/obs/api/routes/login.py
@@ -22,7 +22,7 @@ client = Client(client_authn_method=CLIENT_AUTHN_METHOD)
 @auth.before_server_start
 async def connect_auth_client(app, loop):
     client.allow["issuer_mismatch"] = True
-    pc = client.provider_config(app.config.KEYCLOAK_URL)
+    client.provider_config(app.config.KEYCLOAK_URL)
     client.store_registration_info(
         RegistrationResponse(
             client_id=app.config.KEYCLOAK_CLIENT_ID,
@@ -122,6 +122,7 @@ async def login_redirect(req):
             log.debug("Updating user (id: %s) email from auth system.", user.id)
             user.email = email
 
+        # TODO: re-add username change when we can safely rename users
         # if preferred_username != user.username:
         #     log.debug("Updating user (id: %s) username from auth system.", user.id)
         #     user.username = preferred_username
diff --git a/api/obs/api/routes/tracks.py b/api/obs/api/routes/tracks.py
index 504935c..b0c01cb 100644
--- a/api/obs/api/routes/tracks.py
+++ b/api/obs/api/routes/tracks.py
@@ -211,7 +211,7 @@ async def put_track(req, slug: str):
 
     try:
         body = req.json["track"]
-    except:
+    except BaseException:
         body = {}
 
     if "title" in body: