From 8c66b3a492bb70fab3e045fdb1ab6da40ecca7bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebasti=C3=A1n=20Ram=C3=ADrez?= <tiangolo@gmail.com>
Date: Tue, 11 Dec 2018 00:28:47 +0400
Subject: [PATCH] :bug: Add ValidationError schema even if only bodies

are declared in the defined endpoints
---
 fastapi/openapi/utils.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fastapi/openapi/utils.py b/fastapi/openapi/utils.py
index 3e445d615..6f490a5d0 100644
--- a/fastapi/openapi/utils.py
+++ b/fastapi/openapi/utils.py
@@ -172,6 +172,11 @@ def get_openapi_path(
             )
             if request_body_oai:
                 operation["requestBody"] = request_body_oai
+                if "ValidationError" not in definitions:
+                    definitions["ValidationError"] = validation_error_definition
+                    definitions[
+                        "HTTPValidationError"
+                    ] = validation_error_response_definition
         status_code = str(route.status_code)
         response_schema = {"type": "string"}
         if lenient_issubclass(route.content_type, JSONResponse):