Commit59ec898

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umath_linalg: attempt opt-out

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Original file line number	Diff line number	Diff line change
`@@ -4688,12 +4688,22 @@ static PyMethodDef UMath_LinAlgMethods[] = {`
`4688`	`4688`	`{NULL,NULL,0,NULL}/* Sentinel */`
`4689`	`4689`	`};`
`4690`	`4690`
	`4691`	`+staticintmodule_loaded=0;`
	`4692`	`+`
`4691`	`4693`	`staticint`
`4692`	`4694`	`_umath_linalg_exec(PyObject*m)`
`4693`	`4695`	`{`
`4694`	`4696`	`PyObject*d;`
`4695`	`4697`	`PyObject*version;`
`4696`	`4698`
	`4699`	`+// https://docs.python.org/3/howto/isolating-extensions.html#opt-out-limiting-to-one-module-object-per-process`
	`4700`	`+if (module_loaded) {`
	`4701`	`+PyErr_SetString(PyExc_ImportError,`
	`4702`	`+"cannot load module more than once per process");`
	`4703`	`+return-1;`
	`4704`	`+ }`
	`4705`	`+module_loaded=1;`
	`4706`	`+`
`4697`	`4707`	`import_array1(-1);`
`4698`	`4708`	`import_umath1(-1);`
`4699`	`4709`

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