Handle HTTPError from API and routing errors from flask.

Removed catching the HTTPError where applicable.

app/main/dao/templates_dao.py

@@ -19,10 +19,7 @@ def get_service_templates(service_id):
 
 
 def get_service_template_or_404(service_id, template_id):
-    try:
-        return notifications_api_client.get_service_template(service_id, template_id)
-    except HTTPError as e:
-        abort(e.status_code)
+    return notifications_api_client.get_service_template(service_id, template_id)
 
 
 def delete_service_template(service_id, template_id):

app/main/dao/users_dao.py

@@ -1,11 +1,6 @@
-from datetime import datetime
 from notifications_python_client import HTTPError
 
-from sqlalchemy.orm import load_only
-
 from app import login_manager
-from app.main.encryption import hashpw
-
 from app import user_api_client
 
 #

app/main/views/dashboard.py

@@ -9,7 +9,6 @@ from flask_login import login_required
 from app.main import main
 from app.main.dao.services_dao import get_service_by_id
 from app.main.dao import templates_dao
-from notifications_python_client.errors import HTTPError
 from app import job_api_client
 
 

app/main/views/jobs.py

@@ -8,7 +8,6 @@ from flask import (
     jsonify
 )
 from flask_login import login_required
-from notifications_python_client.errors import HTTPError
 from utils.template import Template
 
 from app import job_api_client, notification_api_client