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-rw-r--r--py/builtinimport.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/py/builtinimport.c b/py/builtinimport.c
index ef3545d653..3c912e2d4a 100644
--- a/py/builtinimport.c
+++ b/py/builtinimport.c
@@ -448,6 +448,8 @@ mp_obj_t mp_builtin___import__(size_t n_args, const mp_obj_t *args) {
mp_obj_module_t *o = MP_OBJ_TO_PTR(module_obj);
mp_obj_dict_store(MP_OBJ_FROM_PTR(o->globals), MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR___main__));
#if MICROPY_CPYTHON_COMPAT
+ // Store module as "__main__" in the dictionary of loaded modules (returned by sys.modules).
+ mp_obj_dict_store(&MP_STATE_VM(mp_loaded_modules_dict), MP_OBJ_NEW_QSTR(MP_QSTR___main__), module_obj);
// Store real name in "__main__" attribute. Choosen semi-randonly, to reuse existing qstr's.
mp_obj_dict_store(MP_OBJ_FROM_PTR(o->globals), MP_OBJ_NEW_QSTR(MP_QSTR___main__), MP_OBJ_NEW_QSTR(mod_name));
#endif