From d3cec7be5693276a0449c466cfd64495a42563d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9D=D0=B8=D0=BA=D0=B8=D1=82=D0=B0=20=D0=9A=D0=BE=D0=BD?=
 =?UTF-8?q?=D0=B8=D0=BD?= <awesome@nkonin.me>
Date: Thu, 27 Dec 2018 12:48:11 +0300
Subject: [PATCH] Fix schema generation for fields annotated as `: dict` (#331)

* #330 Fix schema generation for fields annotated as `: dict`

* #330 update history.rst

* #330 format on linter's advice
---
 HISTORY.rst          |  1 +
 pydantic/schema.py   |  1 +
 tests/test_schema.py | 12 ++++++++++++
 3 files changed, 14 insertions(+)

diff --git a/HISTORY.rst b/HISTORY.rst
index 35ed1df..e4b7991 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -9,6 +9,7 @@ v0.17.0 (unreleased)
 * prevent validators being called repeatedly after inheritance, #327 by @samuelcolvin
 * prevent duplicate validator check in ipython, fix #312 by @samuelcolvin
 * add "Using Pydantic" section to docs, #323 by @tiangolo & #326 by @samuelcolvin
+* fix schema generation for fields annotated as ``: dict``, #330 by @nkonin
 
 v0.16.1 (2018-12-10)
 ....................
diff --git a/pydantic/schema.py b/pydantic/schema.py
index 9525ce1..5997469 100644
--- a/pydantic/schema.py
+++ b/pydantic/schema.py
@@ -558,6 +558,7 @@ field_class_to_schema_enum_enabled = (
     (UUID5, {'type': 'string', 'format': 'uuid5'}),
     (UUID, {'type': 'string', 'format': 'uuid'}),
     (NameEmail, {'type': 'string', 'format': 'name-email'}),
+    (dict, {'type': 'object'}),
 )
 
 
diff --git a/tests/test_schema.py b/tests/test_schema.py
index 31ca55a..2489dff 100644
--- a/tests/test_schema.py
+++ b/tests/test_schema.py
@@ -308,6 +308,18 @@ def test_bool():
     }
 
 
+def test_dict():
+    class Model(BaseModel):
+        a: dict
+
+    assert Model.schema() == {
+        'title': 'Model',
+        'type': 'object',
+        'properties': {'a': {'title': 'A', 'type': 'object'}},
+        'required': ['a'],
+    }
+
+
 class Foo(BaseModel):
     a: float