Incorrect Executable type generated by llvmlite

Shell Run

>>> from llvmlite import ir
>>> from llvmlite import binding as llvm
>>> llvm.initialize()
>>> llvm.initialize_native_asmprinter()
>>> llvm.initialize_native_target()

>>> target = llvm.Target.from_default_triple()
>>> target.triple
'x86_64-pc-windows-msvc'
>>> llvm.get_object_format("x86_64-pc-windows-msvc")
COFF
>>> target_machine = target.create_target_machine()


>>> assembly = """; ModuleID = "examples/ir_fpadd.py"  # Stolen from examples
...    target triple = "unknown-unknown-unknown"
...    target datalayout = ""
...
...    define double @"fpadd"(double %".1", double %".2")
...    {
...    entry:
...      %"res" = fadd double %".1", %".2"
...      ret double %"res"
...    }
...
...    define i32 @"main"()
...    {
...    entry:
...     tail call double @fpadd(double 12.0, double 18.0)
...     ret i32 0
...    }"""
>>> mod = llvm.parse_assembly(assembly)
>>> mod.verify()
>>> engine = llvm.create_mcjit_compiler(mod, target_machine)
>>> engine.finalize_object()
>>> object = open("test.exe", "wb")
>>> object.write(target_machine.emit_object(mod))
1312
>>> object.close()

$ file test.exe
test.exe: ELF 64-bit LSB  relocatable, x86-64, version 1 (SYSV), not stripped

The # Stolen from examples was added in later. That did not exist in the actual code.