Drop the mutable default in read_items

docs_src/query_params_str_validations/tutorial012_an_py310.py

@@ -6,6 +6,8 @@ app = FastAPI()
 
 
 @app.get("/items/")
-async def read_items(q: Annotated[list[str], Query()] = ["foo", "bar"]):
+async def read_items(q: Annotated[list[str], Query()] = None):
+    if q is None:
+        q = []
     query_items = {"q": q}
     return query_items

docs_src/query_params_str_validations/tutorial013_an_py310.py

@@ -6,6 +6,8 @@ app = FastAPI()
 
 
 @app.get("/items/")
-async def read_items(q: Annotated[list, Query()] = []):
+async def read_items(q: Annotated[list, Query()] = None):
+    if q is None:
+        q = []
     query_items = {"q": q}
     return query_items

fastapi/_compat/v2.py

@@ -160,10 +160,12 @@ class ModelField:
     def validate(
         self,
         value: Any,
-        values: dict[str, Any] = {},  # noqa: B006
+        values: dict[str, Any] = None,  # noqa: B006
         *,
         loc: tuple[int | str, ...] = (),
     ) -> tuple[Any, list[dict[str, Any]]]:
+        if values is None:
+            values = {}
         try:
             return (
                 self._type_adapter.validate_python(value, from_attributes=True),

scripts/playwright/cookie_param_models/image01.py

@@ -29,7 +29,7 @@ process = subprocess.Popen(
 try:
     for _ in range(3):
         try:
-            response = httpx.get("http://localhost:8000/docs")
+            response = httpx.get("http://localhost:8000/docs", timeout=10.0)
         except httpx.ConnectError:
             time.sleep(1)
             break

scripts/playwright/header_param_models/image01.py

@@ -28,7 +28,7 @@ process = subprocess.Popen(
 try:
     for _ in range(3):
         try:
-            response = httpx.get("http://localhost:8000/docs")
+            response = httpx.get("http://localhost:8000/docs", timeout=10.0)
         except httpx.ConnectError:
             time.sleep(1)
             break

scripts/playwright/json_base64_bytes/image01.py

@@ -27,7 +27,7 @@ process = subprocess.Popen(
 try:
     for _ in range(3):
         try:
-            response = httpx.get("http://localhost:8000/docs")
+            response = httpx.get("http://localhost:8000/docs", timeout=10.0)
         except httpx.ConnectError:
             time.sleep(1)
             break

scripts/playwright/query_param_models/image01.py

@@ -31,7 +31,7 @@ process = subprocess.Popen(
 try:
     for _ in range(3):
         try:
-            response = httpx.get("http://localhost:8000/docs")
+            response = httpx.get("http://localhost:8000/docs", timeout=10.0)
         except httpx.ConnectError:
             time.sleep(1)
             break

scripts/playwright/request_form_models/image01.py

@@ -28,7 +28,7 @@ process = subprocess.Popen(
 try:
     for _ in range(3):
         try:
-            response = httpx.get("http://localhost:8000/docs")
+            response = httpx.get("http://localhost:8000/docs", timeout=10.0)
         except httpx.ConnectError:
             time.sleep(1)
             break

scripts/playwright/sql_databases/image01.py

@@ -27,7 +27,7 @@ process = subprocess.Popen(
 try:
     for _ in range(3):
         try:
-            response = httpx.get("http://localhost:8000/docs")
+            response = httpx.get("http://localhost:8000/docs", timeout=10.0)
         except httpx.ConnectError:
             time.sleep(1)
             break

scripts/playwright/sql_databases/image02.py

@@ -27,7 +27,7 @@ process = subprocess.Popen(
 try:
     for _ in range(3):
         try:
-            response = httpx.get("http://localhost:8000/docs")
+            response = httpx.get("http://localhost:8000/docs", timeout=10.0)
         except httpx.ConnectError:
             time.sleep(1)
             break