From 93779bb3f8544b6b73d1e3cd956682bcf183d3cd Mon Sep 17 00:00:00 2001
From: Matthias Kramm <kramm@google.com>
Date: Mon, 28 Sep 2015 14:48:08 -0700
Subject: [PATCH] Add isfinite() to cmath. (Python 3 only)

---
 builtins/2and3/cmath.pyi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/builtins/2and3/cmath.pyi b/builtins/2and3/cmath.pyi
index 9bca157b7..9fc13c0a9 100644
--- a/builtins/2and3/cmath.pyi
+++ b/builtins/2and3/cmath.pyi
@@ -28,3 +28,6 @@ def sinh(x:_C) -> complex: ...
 def sqrt(x:_C) -> complex: ...
 def tan(x:_C) -> complex: ...
 def tanh(x:_C) -> complex: ...
+
+if sys.version_info[0] >= 3:
+    def isfinite(z:_C) -> bool: ...