Apply suggestions from code review

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>

Author: markshannon

Python/bytecodes.c

@@ -3172,7 +3172,7 @@ dummy_func(
 #ifdef Py_GIL_DISABLED
             assert(_PyObject_IsUniquelyReferenced(iter_o));
             assert(_Py_IsOwnedByCurrentThread((PyObject *)seq) ||
-                _PyObject_GC_IS_SHARED(seq));
+                   _PyObject_GC_IS_SHARED(seq));
             STAT_INC(FOR_ITER, hit);
             int result = _PyList_GetItemRefNoLock(seq, it->it_index, &next);
             // A negative result means we lost a race with another thread

Python/stackrefs.c

@@ -72,7 +72,7 @@ _Py_stackref_close(_PyStackRef ref, const char *filename, int linenumber)
     PyObject *obj;
     if (ref.index <= LAST_PREDEFINED_STACKREF_INDEX) {
         if (ref.index == 0) {
-            _Py_FatalErrorFormat(__func__, "Passing NULL to PyStackRef_CLOSE at %s:%d\n",filename, linenumber);
+            _Py_FatalErrorFormat(__func__, "Passing NULL to PyStackRef_CLOSE at %s:%d\n", filename, linenumber);
         }
         // Pre-allocated reference to None, False or True -- Do not clear
         TableEntry *entry = _Py_hashtable_get(interp->open_stackrefs_table, (void *)ref.index);