pitrou commented on a change in pull request #10054:
URL: https://github.com/apache/arrow/pull/10054#discussion_r615867888
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File path: python/pyarrow/io.pxi
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@@ -1449,6 +1449,10 @@ cdef shared_ptr[CBuffer] as_c_buffer(object o) except *:
cdef NativeFile get_native_file(object source, c_bool use_memory_map):
+ if source is None:
Review comment:
Again, I'm not sure what the concern is. Is it common to pass `None`
instead of a file object? It's not an optional parameter, so I don't know where
the `None` could come from.
(also, getting this kind of `AttributeError` when passing the wrong type is
quite common in Python)
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