Rendered picture is still on the screen after exiting rnvimr

[kanglcn]

• nvim --version:v0.4.4
• Operating system/version: 5.8.18-1-MANJARO
• nvim +'checkhealth rnvimr':

  
  ## OS
  - OK: Name: Linux

Ranger

• OK: Version: ranger-master

Python

• OK: Version: 3.8.6 (default, Sep 30 2020, 04:00:38) [GCC 10.2.0]

Pynvim

• OK: Version: 0.4.2

Ueberzug (optional)

• OK: Ueberzug is ready

RPC

• OK: RPC echo: Neovim send "Give me five!" and receive "Give me five!"

**Describe the bug**
A clear and concise description of what the bug is.

Ranger rendered picture still on the screen after exiting rnvimr

Steps to reproduce the behavior:
1. open nvim using `nvim`
2. toggle rnvimr
3. using ranger browsing and previewing your images
4. toggle rnvimr

**Expected behavior**
The rendered image should also be closed after toggle rnvimr

**Screenshots**
<img width="510" alt="image" src="https://user-images.githubusercontent.com/62387227/103148518-844bdf80-479b-11eb-8133-644151af0137.png">

[kevinhwang91]

Thanks for your feedback, I'm knowing this issue, but not sure someone cares about this. I will fix it later.

[kevinhwang91]

Update the plugin will fix the issue.

[kanglcn]

Thank you for your so quick response! I also think it's not a big deal. But there are always completists like me ha ha.