[Bug] failure while sanitiainzg exception stack trace in some cases

[omry]

In some scenarios, one of the insepected frames in the stack trace does not have a module, resulting in a failure to print the underlying error.

The following looks like it's resolving it:

++ hydra/_internal/utils.py
@@ -248,6 +248,8 @@
                 while end is not None:
                     frame = end.tb_frame
                     mdl = inspect.getmodule(frame)
+                    if mdl is None:
+                        break
-                     assert mdl is not None