Add type=int to request.args.get, if the arg is an int it's returned else None. This means we ignore the arg if its the wrong data type and we don't need to handle the error.

app/upload/rest.py

@@ -12,7 +12,6 @@ from app.dao.jobs_dao import (
 from app.dao.uploads_dao import dao_get_uploads_by_service_id
 from app.errors import (
     register_errors,
-    InvalidRequest
 )
 from app.utils import pagination_links, midnight_n_days_ago
 
@@ -23,17 +22,9 @@ register_errors(upload_blueprint)
 
 @upload_blueprint.route('', methods=['GET'])
 def get_uploads_by_service(service_id):
-    if request.args.get('limit_days'):
-        try:
-            limit_days = int(request.args['limit_days'])
-        except ValueError:
-            errors = {'limit_days': ['{} is not an integer'.format(request.args['limit_days'])]}
-            raise InvalidRequest(errors, status_code=400)
-    else:
-        limit_days = None
-
-    page = int(request.args.get('page', 1))
-    return jsonify(**get_paginated_uploads(service_id, limit_days, page))
+    return jsonify(**get_paginated_uploads(service_id,
+                                           request.args.get('limit_days', type=int),
+                                           request.args.get('page', type=int)))
 
 
 def get_paginated_uploads(service_id, limit_days, page):