Fix corrupted __init__.py file with proper Python code

__init__.py

@@ -0,0 +1,9 @@
+from . import agents, rag
+
+# Optional import for evaluation - may cause issues in some environments
+try:
+    from .evaluation import evaluate
+    __all__ = ["rag", "agents", "evaluate"]
+except ImportError as e:
+    print(f"Warning: Could not import evaluation module: {e}")
+    __all__ = ["rag", "agents"]