Merge pull request ceph#62197 from NitzanMordhai/wip-nitzan-mgr-pymodule-mem-leaks

mgr: PyModule memory leaks fix

Author: SrinivasaBharath

src/mgr/PyModule.cc

@@ -667,6 +667,7 @@ int PyModule::load_subclass_of(const char* base_class, PyObject** py_class)
     error_string = peek_pyerror();
     derr << "Module not found: '" << module_name << "'" << dendl;
     derr << handle_pyerror(true, module_name, "PyModule::load_subclass_of") << dendl;
+    Py_DECREF(mgr_module_type);
     return -ENOENT;
   }
   auto locals = PyModule_GetDict(plugin_module);
@@ -707,6 +708,8 @@ PyModule::~PyModule()
     Gil gil(pMyThreadState, true);
     Py_XDECREF(pClass);
     Py_XDECREF(pStandbyClass);
+    Py_EndInterpreter(pMyThreadState.ts);
+    pMyThreadState.ts = nullptr;
   }
 }