Duplicate .pdm-python in .gitignore after pdm fix

[oedokumaci]

• I have searched the issue tracker and believe that this is not a duplicate.

Make sure you run commands with -v flag before pasting the output.

Steps to reproduce

Environment is such that pdm notifies config fixer and .gitignore contains the following two lines

.pdm-python
.pdm.toml

Then, run

pdm fix

Actual behavior

New contents of the .gitignore:

.pdm-python
.pdm-python

Expected behavior

New contents of the .gitignore:

.pdm-python
.pdm.toml

Note that .pdm.toml is being kept for the good measure.

Environment Information

PDM version:
  2.5.0b0
Python Interpreter:
  Python 3.10
Local Packages:
  
{
  "implementation_name": "cpython",
  "implementation_version": "3.10.10",
  "os_name": "posix",
  "platform_machine": "x86_64",
  "platform_release": "22.3.0",
  "platform_system": "Darwin",
  "platform_version": "Darwin Kernel Version 22.3.0: Mon Jan 30 20:42:11 PST 2023; root:xnu-8792.81.3~2/RELEASE_X86_64",
  "python_full_version": "3.10.10",
  "platform_python_implementation": "CPython",
  "python_version": "3.10",
  "sys_platform": "darwin"
}