some fix

include/pocketpy/pocketpy.h

@@ -100,8 +100,8 @@ void py_setslot(py_Ref self, int i, const py_Ref val);
 py_Ref py_getupvalue(py_Ref self);
 void py_setupvalue(py_Ref self, const py_Ref val);
 
-/// Gets the attribute of the object. Push the result onto the stack.
-int py_getattr(const py_Ref self, py_Name name);
+/// Gets the attribute of the object.
+int py_getattr(const py_Ref self, py_Name name, py_Ref out);
 /// Sets the attribute of the object.
 int py_setattr(py_Ref self, py_Name name, const py_Ref val);
 
@@ -134,8 +134,8 @@ void py_poptmp(int n);
 py_Ref py_newmodule(const char* name, const char* package);
 py_Ref py_getmodule(const char* name);
 
-/// Import a module. Push the result onto the stack.
-int py_import(const char* name);
+/// Import a module.
+int py_import(const char* name, py_Ref out);
 
 /************* Errors *************/
 py_Error* py_getlasterror();