Issue when installing via G\itT URL

### Custom Node Testing

- [ ] I have tried disabling custom nodes and the issue persists (see [how to disable custom nodes](https://docs.comfy.org/troubleshooting/custom-node-issues#step-1%3A-test-with-all-custom-nodes-disabled) if you need help)

### Expected Behavior

expect to install custom nodes via Git URL

### Actual Behavior

[!] Traceback (most recent call last):
[!] File "C:\Users\1\Documents\ComfyUI\.venv\Lib\site-packages\comfyui_manager\common\git_helper.py", line 12, in
[!] from comfyui_manager.common.timestamp_utils import get_backup_branch_name
[!] File "C:\Users\1\Documents\ComfyUI\.venv\Lib\site-packages\comfyui_manager\__init__.py", line 6, in
[!] from comfy.cli_args import args
[!] ModuleNotFoundError: No module named 'comfy'

### Steps to Reproduce

failed to install via Git URL

### Debug Logs

```powershell
[!] Traceback (most recent call last):
[!] File "C:\Users\1\Documents\ComfyUI\.venv\Lib\site-packages\comfyui_manager\common\git_helper.py", line 12, in
[!] from comfyui_manager.common.timestamp_utils import get_backup_branch_name
[!] File "C:\Users\1\Documents\ComfyUI\.venv\Lib\site-packages\comfyui_manager\__init__.py", line 6, in
[!] from comfy.cli_args import args
[!] ModuleNotFoundError: No module named 'comfy'
```

### Other

_No response_