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-rw-r--r--Python/pylifecycle.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c
index 23f66ec..f3ed77e 100644
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -37,6 +37,9 @@
#include <locale.h> // setlocale()
#include <stdlib.h> // getenv()
+#ifdef HAVE_UNISTD_H
+# include <unistd.h> // isatty()
+#endif
#if defined(__APPLE__)
# include <mach-o/loader.h>