bpo-43739: Add type declaration Doc/extending/extending.rst example

Author: shreyanavigyan

Doc/extending/extending.rst

@@ -410,7 +410,7 @@ optionally followed by an import of the module::
        /* Optionally import the module; alternatively,
           import can be deferred until the embedded script
           imports it. */
-       pmodule = PyImport_ImportModule("spam");
+       PyObject *pmodule = PyImport_ImportModule("spam");
        if (!pmodule) {
            PyErr_Print();
            fprintf(stderr, "Error: could not import module 'spam'\n");

Misc/NEWS.d/next/Documentation/2021-04-06-07-05-49.bpo-43739.L4HjiX.rst

@@ -0,0 +1 @@
+Fixing the example code in Doc/extending/extending.rst to declare and initialize the pmodule variable to be of the right type.