Issue #18342: Use the repr of a module name for ``from ... import

...`` when an ImportError occurs.

Other cases had already been switched over to using the repr.

Thanks to Tomasz Maćkowiak for the patch.

Python/ceval.c

@@ -4602,7 +4602,7 @@ import_from(PyObject *v, PyObject *name)
 
     x = PyObject_GetAttr(v, name);
     if (x == NULL && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-        PyErr_Format(PyExc_ImportError, "cannot import name %S", name);
+        PyErr_Format(PyExc_ImportError, "cannot import name %R", name);
     }
     return x;
 }