Resolve merge conflict: use gigl.csrc.distributed import

Author: mkolodner-sc

gigl/distributed/cpp_extensions/__init__.py

@@ -0,0 +1,9 @@
+try:
+    from gigl.distributed.cpp_extensions.ppr_forward_push import PPRForwardPushState
+except ImportError as e:
+    raise ImportError(
+        "PPR C++ extension not compiled. "
+        "Run `uv pip install -e .` from the GiGL root to build it."
+    ) from e
+
+__all__ = ["PPRForwardPushState"]