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When iterating over the names imported in a future statement, ignore the
commas in the concrete syntax; checking those causes a segfault. This fixes SF bug #407394.
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@ -19,7 +19,7 @@ future_check_features(PyFutureFeatures *ff, node *n, char *filename)
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REQ(n, import_stmt); /* must by from __future__ import ... */
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for (i = 3; i < NCH(n); ++i) {
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for (i = 3; i < NCH(n); i += 2) {
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ch = CHILD(n, i);
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if (TYPE(ch) == STAR) {
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PyErr_SetString(PyExc_SyntaxError,
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