From 24dd7aeed5c7b97d8ad610f48ea13f7542657f3c Mon Sep 17 00:00:00 2001
From: adpham95 <32873177+adpham95@users.noreply.github.com>
Date: Thu, 7 Nov 2019 11:06:33 -0500
Subject: [PATCH] fixed 500 when invalid workflow is presented

---
 api/server/db/workflow.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/api/server/db/workflow.py b/api/server/db/workflow.py
index b3cf585ba..0c378ea9b 100644
--- a/api/server/db/workflow.py
+++ b/api/server/db/workflow.py
@@ -2,7 +2,9 @@
 from typing import List
 from uuid import UUID
 
+from fastapi.exceptions import RequestValidationError
 import jsonschema
+import pydantic
 from pydantic import BaseModel
 
 from api.server.db import IDBaseModel
@@ -46,8 +48,11 @@ class WorkflowModel(IDBaseModel):
     start: UUID
 
     def __init__(self, **kwargs):
-        super(WorkflowModel, self).__init__(**kwargs)
-        self.validate_workflow()
+        try:
+            super(WorkflowModel, self).__init__(**kwargs)
+            self.validate_workflow()
+        except pydantic.error_wrappers.ValidationError as e:
+            raise RequestValidationError(e.raw_errors)
 
     def validate_workflow(self):
         """Validates the object"""