Bash cursor freeze after hpx --help
**Describe the bug** 🐛
```bash
hpx --help
```
Output:
```
Usage:
  mainCommand [optional-params] 
Options:
  -h, --help                  print this cligen-erated help
  --help-syntax               advanced: prepend,plurals,..
  -v, --version  bool  false  set version
cligen.nim(569)          parser
Error: unhandled exception:  [HelpOnly]
```
And then the bash cursor freezes 

**To Reproduce** 👨‍🔬
```bash
hpx --help
```
or
```bash
hpx -h
```
**Expected behavior** 🤔
No bash cursor freeze 

**Screenshots** 🖼
https://youtu.be/5FPLwLxKApo

**Desktop (please complete the following information):** 💻
 - OS: Fedora Linux (bash)
 - Browser: -
 - Version: -
 - HappyX version: 1.11.0
 - HappyX project type: -
