Be more robust against custom import failures (e.g., from ome_types).

Author: anntzer

src/ipython_autoimport.py

@@ -123,8 +123,13 @@ def __getattr__(self, name):
             import_target = "{}.{}".format(self.__name__, name)
             try:
                 submodule = importlib.import_module(import_target)
-            except getattr(builtins, "ModuleNotFoundError", ImportError):
-                pass  # Py<3.6.
+            except ModuleNotFoundError:
+                pass
+            except Exception as exc:
+                # In theory we should just catch ModuleNotFoundError, but
+                # ome_types (inaccurately) raises ImportError instead.
+                _report(self.__ipython, "import {} caused {}: {}".format(
+                    import_target, type(exc).__name__, exc))
             else:
                 _report(self.__ipython, "import {}".format(import_target))
                 return _make_submodule_autoimporter_module(