Update Modules/_decimal/_decimal.c

Author: kumaraditya303

Modules/_decimal/_decimal.c

@@ -114,7 +114,7 @@ typedef struct {
 #define PyDec_CheckExact(st, v) Py_IS_TYPE(v, (st)->PyDec_Type)
 #define PyDec_Check(st, v) PyObject_TypeCheck(v, (st)->PyDec_Type)
 #define PyDecSignalDict_Check(st, v) Py_IS_TYPE(v, (st)->PyDecSignalDict_Type)
-#define PyDecContext_Check(st, v) PyObject_TypeCheck(v, st->PyDecContext_Type)
+#define PyDecContext_Check(st, v) PyObject_TypeCheck(v, (st)->PyDecContext_Type)
 #define MPD(v) (&((PyDecObject *)v)->dec)
 #define SdFlagAddr(v) (((PyDecSignalDictObject *)v)->flags)
 #define SdFlags(v) (*((PyDecSignalDictObject *)v)->flags)