plugin cannot open 'My List'

*I'm submitting a ...*
- [ ] bug report
- [ ] feature request
- [x] support request

## General infomration

### Prerequisites

* [x] Are you running the latest version?
0.13.21
### Description

The netflix plugin doesn't open/load 'My List'.

### Steps to Reproduce

**Expected behavior:** [What you expected to happen]

show contents of 'My List'

**Actual behavior:** [What actually happened]

display of an error message
(ERROR: EXCEPTION: Failed to convert to input type to either a std::string or a std::vector<(XBMCAddon::xbmcgui::InfoLabelStringOrTuple)>)

## Context (Environment)

### Installation

* [ ] I installed the plugin via zip from the Releases page
* [x] I´m using the Netflix Repo
* [ ] I´m using a different source (Please tell which)

### Operating System

* [x] Linux (x86/x64)
* [ ] OSX (x86/x64)
* [ ] Windows (x86/x64)
* [ ] Linux (ARM)
* [ ] Android

#### Additional informatin on the environment

[Descripe your environment a bit more detailed, are you using LibreElec f.e.]

## Debug log

https://pastebin.com/eeMzcta5

[Please include a link to your debug log (use something like [http://sprunge.us/](http://sprunge.us/)) or similar, please do not paste]

## Other information

[e.g. detailed explanation, related issues, suggestions how to fix, links for us to have context, etc.]

### Screenshots

[Please add a screenshot if that helps understanding your problem]

[You can erase any parts of this template not applicable to your Issue.]

Start with the linked debug log and reproduce opening “My List” on the Netflix plugin version 0.13.21 under Linux. Trace the error about converting an input type, then verify that the list contents load without the reported exception.

Written by the indexing model from the issue text.