From 53c1dff91c0b7100e1ce1b51acbf0fffbc10cf9c Mon Sep 17 00:00:00 2001
From: Ram Rachum <ram@rachum.com>
Date: Sun, 14 Jun 2020 00:46:19 +0300
Subject: Fix exception causes all over the codebase

---
 sphinx/setup_command.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'sphinx/setup_command.py')

diff --git a/sphinx/setup_command.py b/sphinx/setup_command.py
index 2c0076304..24beab856 100644
--- a/sphinx/setup_command.py
+++ b/sphinx/setup_command.py
@@ -198,7 +198,7 @@ class BuildDoc(Command):
             except Exception as exc:
                 handle_exception(app, self, exc, sys.stderr)
                 if not self.pdb:
-                    raise SystemExit(1)
+                    raise SystemExit(1) from exc
 
             if not self.link_index:
                 continue
-- 
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