refact

pina/optim/__init__.py

@@ -0,0 +1,11 @@
+__all__ = [
+    "Optimizer",
+    "TorchOptimizer",
+    "Scheduler",
+    "TorchScheduler",
+]
+
+from .optimizer_interface import Optimizer
+from .torch_optimizer import TorchOptimizer
+from .scheduler_interface import Scheduler
+from .torch_scheduler import TorchScheduler