Deploy pipeline sudden failure We noticed one of our pipeline for azure started to fail recently without making modification to the pipeline

File ".../appservices/venv/lib/python3.6/site-packages/pulumi/output.py", line 91, in is_value_known
        return await is_known and not contains_unknowns(await future)
      File "/usr/lib/python3.6/asyncio/tasks.py", line 250, in _wakeup
        future.result()
      File "/usr/lib/python3.6/asyncio/tasks.py", line 182, in _step
        result = coro.throw(exc)
      File ".../appservices/venv/lib/python3.6/site-packages/pulumi/output.py", line 91, in is_value_known
        return await is_known and not contains_unknowns(await future)
      File "/usr/lib/python3.6/asyncio/tasks.py", line 250, in _wakeup
        future.result()
      File "/usr/lib/python3.6/asyncio/tasks.py", line 182, in _step
        result = coro.throw(exc)
      File ".../appservices/venv/lib/python3.6/site-packages/pulumi/output.py", line 91, in is_value_known
        return await is_known and not contains_unknowns(await future)
      File "/usr/lib/python3.6/asyncio/tasks.py", line 250, in _wakeup
        future.result()
      File "/usr/lib/python3.6/asyncio/tasks.py", line 182, in _step
        result = coro.throw(exc)
      File ".../appservices/venv/lib/python3.6/site-packages/pulumi/output.py", line 91, in is_value_known
        return await is_known and not contains_unknowns(await future)
      File "/usr/lib/python3.6/asyncio/tasks.py", line 250, in _wakeup
        future.result()
      File "/usr/lib/python3.6/asyncio/tasks.py", line 180, in _step
        result = coro.send(None)
      File ".../appservices/venv/lib/python3.6/site-packages/pulumi/runtime/resource.py", line 438, in do_register
        resolver = await prepare_resource(res, ty, custom, remote, props, opts, typ)
      File ".../appservices/venv/lib/python3.6/site-packages/pulumi/runtime/resource.py", line 100, in prepare_resource
        serialized_props = await rpc.serialize_properties(props, property_dependencies_resources, translate, typ)
      File ".../appservices/venv/lib/python3.6/site-packages/pulumi/runtime/rpc.py", line 112, in serialize_properties
        types = _types.input_type_types(typ)
      File ".../appservices/venv/lib/python3.6/site-packages/pulumi/_types.py", line 461, in input_type_types
        return _types_from_py_properties(input_type_cls)
      File ".../appservices/venv/lib/python3.6/site-packages/pulumi/_types.py", line 714, in _types_from_py_properties
        cls_hints = get_type_hints(prop.fget, globalns=globalns, localns=localns)
      File "/usr/lib/python3.6/typing.py", line 1543, in get_type_hints
        value = _eval_type(value, globalns, localns)
      File "/usr/lib/python3.6/typing.py", line 350, in _eval_type
        return t._eval_type(globalns, localns)
      File "/usr/lib/python3.6/typing.py", line 767, in _eval_type
        return self.__class__(ev_args, ev_origin, _root=True)
      File "/usr/lib/python3.6/typing.py", line 752, in __new__
        subs_tree = self._subs_tree()
      File "/usr/lib/python3.6/typing.py", line 808, in _subs_tree
        tree_args = _subs_tree(self, tvars, args)
      File "/usr/lib/python3.6/typing.py", line 608, in _subs_tree
        new_tree_args.append(_replace_arg(arg, ocls.__parameters__, tree_args))
      File "/usr/lib/python3.6/typing.py", line 562, in _replace_arg
        return arg._subs_tree(tvars, args)
      File "/usr/lib/python3.6/typing.py", line 1086, in _subs_tree
        tree_args = _subs_tree(self, tvars, args)
      File "/usr/lib/python3.6/typing.py", line 603, in _subs_tree
        tree_args.append(_replace_arg(arg, tvars, args))
      File "/usr/lib/python3.6/typing.py", line 566, in _replace_arg
        return args[i]
    IndexError: list index out of range
    error: an unhandled error occurred: Program exited with non-zero exit code: 1

@red-match-15116 another python3.6 regression?

Yeah it looks the same as https://github.com/pulumi/pulumi/issues/6886

Yup, seems to be the same issue as I observed.

We’re working on a fix!