From 6ee976e9c374c1253401bdd023e62d3c7f773d0a Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Fri, 11 Dec 2020 16:08:46 +0000
Subject: [PATCH] fix raise from None

---
 CHANGELOG.md      | 4 ++++
 rich/traceback.py | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f16bf810..56b44565 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Table.add_row style argument now applies to entire line and not just cells
 - Added end_section parameter to Table.add_row to force a line underneath row
 
+## Fixed
+
+- Fixed suppressed traceback context https://github.com/willmcgugan/rich/issues/468
+
 ## [9.3.0] - 2020-12-1
 
 ### Added
diff --git a/rich/traceback.py b/rich/traceback.py
index 3d13becb..c2958198 100644
--- a/rich/traceback.py
+++ b/rich/traceback.py
@@ -261,6 +261,7 @@ class Traceback:
 
         stacks: List[Stack] = []
         is_cause = False
+
         while True:
             stack = Stack(
                 exc_type=str(exc_type.__name__),
@@ -310,7 +311,11 @@ class Traceback:
                     continue
 
             cause = exc_value.__context__
-            if cause and cause.__traceback__:
+            if (
+                cause
+                and cause.__traceback__
+                and not getattr(exc_value, "__suppress_context__", False)
+            ):
                 exc_type = cause.__class__
                 exc_value = cause
                 traceback = cause.__traceback__