refactor: _getLoopOnThread getting thread dict

Author: Xmader

src/PyEventLoop.cc

@@ -141,6 +141,7 @@ PyEventLoop PyEventLoop::_loopNotFound() {
 PyEventLoop PyEventLoop::_getLoopOnThread(PyThreadState *tstate) {
   // Modified from Python 3.9 `get_running_loop` https://github.com/python/cpython/blob/7cb3a44/Modules/_asynciomodule.c#L241-L278
 
+  PyObject *ts_dict;
   #if PY_VERSION_HEX >= 0x030d0000 // Python version is greater than 3.13
   // The private `_PyThreadState_GetDict(tstate)` API gets removed in Python 3.13.
   // However, simply replacing it with `PyThreadState_GetDict()` does not work,
@@ -156,11 +157,11 @@ PyEventLoop PyEventLoop::_getLoopOnThread(PyThreadState *tstate) {
       return _loopNotFound();
     }
   }
-  PyObject *ts_dict = tstate->dict;
+  ts_dict = tstate->dict;
   #elif PY_VERSION_HEX >= 0x03090000 // Python version is greater than 3.9
-  PyObject *ts_dict = _PyThreadState_GetDict(tstate);  // borrowed reference
+  ts_dict = _PyThreadState_GetDict(tstate);  // borrowed reference
   #else // Python 3.8
-  PyObject *ts_dict = tstate->dict; // see https://github.com/python/cpython/blob/v3.8.17/Modules/_asynciomodule.c#L244-L245
+  ts_dict = tstate->dict; // see https://github.com/python/cpython/blob/v3.8.17/Modules/_asynciomodule.c#L244-L245
   #endif
   if (ts_dict == NULL) {
     return _loopNotFound();