[omm] A few random tiny cleanups (#1502)

open-media-match/.devcontainer/gunicorn_omm_config.py

@@ -1,7 +1,11 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
 """
-A 
+A production - looking OMM config.
+
 
-This is meant to demonstrate the differences between the development
+This is meant to demonstrate the differences between the development and
+prod versions
 """
 
 from threatexchange.signal_type.pdq.signal import PdqSignal

open-media-match/.devcontainer/omm_config.py

@@ -1,3 +1,5 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
 # This is the configuration that is used by default for the developer instance
 # which runs in the dev container by default. Every config field is present
 # to make it easier to copy this

open-media-match/src/OpenMediaMatch/background_tasks/__init__.py

@@ -0,0 +1 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.

open-media-match/src/OpenMediaMatch/storage/postgres/impl.py

@@ -3,14 +3,12 @@
 """
 The default store for accessing persistent data on OMM.
 """
-from dataclasses import dataclass, field
-import datetime
+from dataclasses import dataclass
 import pickle
 import time
 import typing as t
 
 import flask
-from flask_apscheduler import APScheduler
 import flask_migrate
 
 from sqlalchemy import select, delete, func, Select, insert, update