Refactor code structure for improved readability and maintainability

.gitignore

@@ -12,3 +12,8 @@ onnx/*.data
 !onnx/schp-atr-18.onnx.data
 !onnx/schp-atr-18-int8-static.onnx
 !onnx/schp-atr-18-int8-dynamic.onnx
+
+
+.venv/
+.pytest_cache/
+.DS_Store

.python-version

@@ -0,0 +1 @@
+3.12

modeling_schp.py

@@ -16,7 +16,10 @@ import torch.nn.functional as F
 from transformers import PreTrainedModel
 from transformers.utils import ModelOutput
 
-from schp.configuration_schp import SCHPConfig
+try:
+    from .configuration_schp import SCHPConfig  # ty:ignore[unresolved-import]
+except ImportError:
+    from configuration_schp import SCHPConfig
 
 
 # ── Pure-PyTorch InPlaceABNSync shim ──────────────────────────────────────────

pyproject.toml

@@ -0,0 +1,12 @@
+[project]
+name = "schp-atr-18"
+version = "0.1.0"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = [
+    "pillow>=12.2.0",
+    "pytest>=9.0.3",
+    "torch>=2.11.0",
+    "torchvision>=0.26.0",
+    "transformers>=5.5.3",
+]