Reverted dead code removal

Author: czgdp1807

numpy/core/src/multiarray/ctors.c

@@ -1881,7 +1881,16 @@ PyArray_CheckFromAny(PyObject *op, PyArray_Descr *descr, int min_depth,
 
     if ((requires & NPY_ARRAY_ELEMENTSTRIDES) &&
         !PyArray_ElementStrides(obj)) {
-        PyErr_SetString(PyExc_RuntimeError, "Not Implemented.");
+        PyObject *ret;
+        if (requires & NPY_ARRAY_ENSURENOCOPY) {
+            PyErr_SetString(PyExc_ValueError,
+                            "Unable to avoid copy "
+                            "while creating a new array.");
+            return NULL;
+        }
+        ret = PyArray_NewCopy((PyArrayObject *)obj, NPY_ANYORDER);
+        Py_DECREF(obj);
+        obj = ret;
     }
     return obj;
 }