Fixed -- Fixed import_string() crash on not fully initialized modules.
Regression in
Thanks Collin Anderson for the report.
@@ -7,7 +7,11 @@ from importlib.util import find_spec as importlib_find
def cached_import(module_path, class_name):
modules = sys.modules
- if module_path not in modules:
+ if module_path not in modules or (
+ # Module is not fully initialized.
+ getattr(modules[module_path], '__spec__', None) is not None and
+ getattr(modules[module_path].__spec__, '_initializing', False) is True
+ ):
import_module(module_path)
return getattr(modules[module_path], class_name)
