From 691895b3860b1f3aa323d430cd52aab27bef1836 Mon Sep 17 00:00:00 2001
From: zhzluke96 <zhzluke96@outlook.com>
Date: Tue, 11 Jun 2024 22:46:48 +0800
Subject: [PATCH 1/4] Fix request serialization for fastapi `/docs`

---
 gradio/data_classes.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/gradio/data_classes.py b/gradio/data_classes.py
index f43e15073068d..0e20289fd0ec3 100644
--- a/gradio/data_classes.py
+++ b/gradio/data_classes.py
@@ -110,6 +110,24 @@ class PredictBody(BaseModel):
         None  # dictionary of request headers, query parameters, url, etc. (used to to pass in request for queuing)
     )
 
+    def __get_pydantic_json_schema__(self, source_type: Any, handler):
+        return {
+            "title": "PredictBody",
+            "type": "object",
+            "properties": {
+                "session_hash": {"type": "string"},
+                "event_id": {"type": "string"},
+                "data": {"type": "array", "items": {"type": "object"}},
+                "event_data": {"type": "object"},
+                "fn_index": {"type": "integer"},
+                "trigger_id": {"type": "integer"},
+                "simple_format": {"type": "boolean"},
+                "batched": {"type": "boolean"},
+                "request": {"type": "object"},
+            },
+            "required": ["data"],
+        }
+
 
 class ResetBody(BaseModel):
     event_id: str

From 28a8e5368840dfe7520b1a6ebe2fc3d8baf68ed8 Mon Sep 17 00:00:00 2001
From: zhzluke96 <zhzluke96@outlook.com>
Date: Wed, 12 Jun 2024 02:18:50 +0800
Subject: [PATCH 2/4] fix issues identified in code review

---
 gradio/data_classes.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gradio/data_classes.py b/gradio/data_classes.py
index 0e20289fd0ec3..2ec18bb800e46 100644
--- a/gradio/data_classes.py
+++ b/gradio/data_classes.py
@@ -110,7 +110,8 @@ class PredictBody(BaseModel):
         None  # dictionary of request headers, query parameters, url, etc. (used to to pass in request for queuing)
     )
 
-    def __get_pydantic_json_schema__(self, source_type: Any, handler):
+    @classmethod
+    def __get_pydantic_json_schema__(cls, core_schema, handler):
         return {
             "title": "PredictBody",
             "type": "object",

From 690374f6958508380e0f5da8c7dfde50bce030d4 Mon Sep 17 00:00:00 2001
From: freddyaboulton <alfonsoboulton@gmail.com>
Date: Tue, 11 Jun 2024 15:10:30 -0400
Subject: [PATCH 3/4] unit test

---
 test/test_routes.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/test/test_routes.py b/test/test_routes.py
index e6219dcf981b8..282f71068fd39 100644
--- a/test/test_routes.py
+++ b/test/test_routes.py
@@ -1320,3 +1320,19 @@ def test_max_file_size_used_in_upload_route(connect):
     with open("test/test_files/alphabet.txt", "rb") as f:
         r = test_client.post("/upload", files={"files": f})
         assert r.status_code == 200
+
+
+def test_docs_url():
+    with gr.Blocks() as demo:
+        num = gr.Number(value=0)
+        button = gr.Button()
+        button.click(lambda n: n + 1, [num], [num])
+
+    app, _, _ = demo.launch(app_kwargs={"docs_url": "/docs"}, prevent_thread_lock=True)
+    try:
+        test_client = TestClient(app)
+        with test_client:
+            r = test_client.get("/docs")
+            assert r.status_code == 200
+    finally:
+        demo.close()

From c841ac8484eb4d18ef185ee583c75f4a6ff73b1e Mon Sep 17 00:00:00 2001
From: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
Date: Tue, 11 Jun 2024 19:11:24 +0000
Subject: [PATCH 4/4] add changeset

---
 .changeset/dull-lizards-suffer.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/dull-lizards-suffer.md

diff --git a/.changeset/dull-lizards-suffer.md b/.changeset/dull-lizards-suffer.md
new file mode 100644
index 0000000000000..da6c114179d08
--- /dev/null
+++ b/.changeset/dull-lizards-suffer.md
@@ -0,0 +1,5 @@
+---
+"gradio": patch
+---
+
+fix:Fix request serialization for fastapi `/docs`