Localize notification_utils to the admin

This changeset pulls in all of the notification_utils code directly into the admin and removes it as an external dependency. We are doing this to cut down on operational maintenance of the project and will begin removing parts of it no longer needed for the admin.

Signed-off-by: Carlo Costino <carlo.costino@gsa.gov>

app/utils/__init__.py

@@ -3,11 +3,12 @@ from itertools import chain
 
 from flask import abort, g, make_response, request
 from flask_login import current_user
-from notifications_utils.field import Field
 from ordered_set import OrderedSet
 from werkzeug.datastructures import MultiDict
 from werkzeug.routing import RequestRedirect
 
+from notifications_utils.field import Field
+
 SENDING_STATUSES = ["created", "pending", "sending"]
 DELIVERED_STATUSES = ["delivered", "sent"]
 FAILURE_STATUSES = [

app/utils/csv.py

@@ -2,10 +2,10 @@ import datetime
 
 import pytz
 from flask_login import current_user
-from notifications_utils.recipients import RecipientCSV
 
 from app.models.spreadsheet import Spreadsheet
 from app.utils.templates import get_sample_template
+from notifications_utils.recipients import RecipientCSV
 
 
 def get_errors_for_csv(recipients, template_type):