Make __init__.py depend on __file__ conditionally. #1382
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According to https://docs.python.org/3/reference/import.html#__file__ ,
__file__
is an optional module attribute, and the its availability is decided by the import system. In the edge case where tensorrt is imported as a frozen module (https://docs.python.org/3/c-api/import.html#c.PyImport_ImportFrozenModuleObject), there seems no suitable__file__
attribute to be assigned therefore in this case it's probably better to skip the library loading process.Signed-off-by: zhxchen17 zhxchen17@fb.com