There may be a bug

[EvgenieLebedev]

Dear developers!
I am a student and, as part of my work, I study the issues of modeling the gravitational field. For this reason, I am extremely interested in your project.
I am currently in the process of configuring your code and want to clarify why you are duplicating the path to Windows (make_windows_path_posix):
[Your code]

def make_windows_path_posix(file):
    # If the file was saved in Windows, but we are working on mac, download the mac path.
    if "C:\\" in the file and sys.platform.startswith("darwin"):
old_path = Clean path to Windows(file).as_posix()
more:
        old_path = file
    module_path = os.path.dirname(GravNN.__file__)
file = module_path + old_path.split("/GravNN")[-1]

    returns the file

Input: D:\GravNN-master\GravNN\GravNN\Files\ShapeModels\Eros\eros_shape_7790.obj
Output: d:\gravnn-master\gravnn\GravNND:\GravNN-master\GravNN\GravNN\Files\ShapeModels\Eros\eros_shape_7790.obj

Your code started when I made the correction:

def make_windows_path_posix(file):
    # If the file was deleted in Windows, but we are working on macOS or Linux
    if "C:\\" in the file and sys.platform.startswith("darwin"):
# Convert the path to POSIX format
        returning PureWindowsPath(file).as_posix()
more:
        # Returning the original path
        the returned file

If I misunderstood, then I apologize for distracting you.