Merge branch 'main' into timedelta-null

Author: Petroncini

doc/source/user_guide/dsintro.rst

@@ -87,8 +87,9 @@ index will be pulled out.
 
 **From scalar value**
 
-If ``data`` is a scalar value, an index must be
-provided. The value will be repeated to match the length of **index**.
+If ``data`` is a scalar value, the value will be repeated to match
+the length of **index**.  If the **index** is not provided, it defaults
+to ``RangeIndex(1)``.
 
 .. ipython:: python
 

pandas/_libs/src/vendored/ujson/python/JSONtoObj.c

@@ -38,9 +38,11 @@ Numeric decoder derived from TCL library
 
 // Licence at LICENSES/ULTRAJSON_LICENSE
 
-#include "pandas/vendored/ujson/lib/ultrajson.h"
+// clang-format off
 #define PY_SSIZE_T_CLEAN
 #include <Python.h>
+#include "pandas/vendored/ujson/lib/ultrajson.h"
+// clang-format on
 
 static int Object_objectAddKey(void *Py_UNUSED(prv), JSOBJ obj, JSOBJ name,
                                JSOBJ value) {