gemini-code-assist[bot] commented on code in PR #19822:
URL: https://github.com/apache/tvm/pull/19822#discussion_r3431063548


##########
python/tvm/relax/frontend/nn/extern.py:
##########
@@ -306,13 +308,13 @@ def get_includes(tvm_pkg: list[str] | None = None) -> 
list[Path]:
         includes : List[pathlib.Path]
             The list of include paths.
         """
-        tvm_home = SourceModule.tvm_home()
         results = [
-            tvm_home / "include",
-            tvm_home / "3rdparty/tvm-ffi/include",
-            tvm_home / "3rdparty/tvm-ffi/3rdparty/dlpack/include",
+            Path(libinfo.find_include_path()),
+            Path(tvm_ffi.libinfo.find_include_path()),
+            Path(tvm_ffi.libinfo.find_dlpack_include_path()),
         ]
         if tvm_pkg:
+            tvm_home = SourceModule.tvm_home()
             for relative in tvm_pkg:
                 results.append(tvm_home / "3rdparty" / relative)
         for path in results:

Review Comment:
   ![medium](https://www.gstatic.com/codereviewagent/medium-priority.svg)
   
   The include paths resolved from `libinfo` and `tvm_ffi.libinfo` can 
sometimes overlap or be identical depending on the environment setup (e.g., in 
monolithic or developer builds). To prevent redundant compiler `-I` flags and 
duplicate assertion checks, we should deduplicate the list of paths while 
preserving their search order. Using `dict.fromkeys` is an efficient and 
order-preserving way to achieve this in Python 3.7+.
   
   ```suggestion
           results = [
               Path(libinfo.find_include_path()),
               Path(tvm_ffi.libinfo.find_include_path()),
               Path(tvm_ffi.libinfo.find_dlpack_include_path()),
           ]
           if tvm_pkg:
               tvm_home = SourceModule.tvm_home()
               for relative in tvm_pkg:
                   results.append(tvm_home / "3rdparty" / relative)
           results = list(dict.fromkeys(results))
           for path in results:
   ```



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