From 8b6b50814e953abca74a1b7e03b56fa34d0183bd Mon Sep 17 00:00:00 2001
From: Berker Peksag <berker.peksag@gmail.com>
Date: Mon, 26 Sep 2016 23:06:32 +0300
Subject: [PATCH] Issue #18893: Fix invalid exception handling in
 Lib/ctypes/macholib/dyld.py

Patch by Madison May.
---
 Lib/ctypes/macholib/dyld.py | 5 +++--
 Misc/NEWS                   | 3 +++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Lib/ctypes/macholib/dyld.py b/Lib/ctypes/macholib/dyld.py
index dc7052e7470..c158e672f05 100644
--- a/Lib/ctypes/macholib/dyld.py
+++ b/Lib/ctypes/macholib/dyld.py
@@ -135,10 +135,11 @@ def framework_find(fn, executable_path=None, env=None):
         Python.framework
         Python.framework/Versions/Current
     """
+    error = None
     try:
         return dyld_find(fn, executable_path=executable_path, env=env)
     except ValueError as e:
-        pass
+        error = e
     fmwk_index = fn.rfind('.framework')
     if fmwk_index == -1:
         fmwk_index = len(fn)
@@ -147,7 +148,7 @@ def framework_find(fn, executable_path=None, env=None):
     try:
         return dyld_find(fn, executable_path=executable_path, env=env)
     except ValueError:
-        raise e
+        raise error
 
 def test_dyld_find():
     env = {}
diff --git a/Misc/NEWS b/Misc/NEWS
index 2ec7c9d477c..84455c070a5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -80,6 +80,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #18893: Fix invalid exception handling in Lib/ctypes/macholib/dyld.py.
+  Patch by Madison May.
+
 - Issue #27611: Fixed support of default root window in the tkinter.tix module.
 
 - Issue #27348: In the traceback module, restore the formatting of exception