fix for GfpGAN and inswapper model path retrieval bug

[NeuroDonu]

Hi. not too long ago i was getting the error that is described in this issue: https://github.com/hacksider/Deep-Live-Cam/issues/770 I added a fix for this bug (it was a misconstructed path)

Summary by Sourcery

Bug Fixes:

• Fix incorrect model path retrieval for GfpGAN and inswapper models by constructing absolute paths.

[sourcery-ai[bot]]

Reviewer's Guide by Sourcery

The PR fixes path resolution issues for the GfpGAN and inswapper models by replacing relative path resolution with absolute path construction. The implementation uses os.path functions to reliably construct paths to the models directory, eliminating platform-specific path handling and potential path resolution errors.

Class diagram for face_enhancer.py and face_swapper.py changes

classDiagram
    class FaceEnhancer {
        +THREAD_LOCK
        +NAME
        +abs_dir
        +models_dir
        +pre_check() bool
        +get_face_enhancer() Any
    }
    class FaceSwapper {
        +THREAD_LOCK
        +NAME
        +abs_dir
        +models_dir
        +pre_check() bool
        +get_face_swapper() Any
    }
    note for FaceEnhancer "Updated path resolution for model_path using os.path.join"
    note for FaceSwapper "Updated path resolution for model_path using os.path.join"

File-Level Changes

Change	Details	Files
Implemented absolute path resolution for model files	Added absolute path construction using os.path.dirname and os.path.abspath Created a models_dir variable to store the absolute path to the models directory Removed platform-specific path handling for Windows Replaced resolve_relative_path calls with os.path.join for model file paths	modules/processors/frame/face_enhancer.py modules/processors/frame/face_swapper.py
Removed dependency on resolve_relative_path utility	Removed resolve_relative_path import in face_swapper.py Added os module import for path handling	modules/processors/frame/face_swapper.py

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