From 4aeff437f48eef795a3cdcce1e76e710466e5c37 Mon Sep 17 00:00:00 2001
From: Dmitry Trofimov <dmitry.trofimov@jetbrains.com>
Date: Wed, 10 Oct 2012 19:11:06 +0200
Subject: [PATCH] Show full exception traceback if pip import failes but pip
 exists (PY-7782).

---
 python/helpers/packaging_tool.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/python/helpers/packaging_tool.py b/python/helpers/packaging_tool.py
index 420d106c6a55..5ddfcc8317b7 100644
--- a/python/helpers/packaging_tool.py
+++ b/python/helpers/packaging_tool.py
@@ -31,7 +31,11 @@ def error(message, retcode):
 
 
 def error_no_pip():
-    error("Python package management tool 'pip' not found", ERROR_NO_PIP)
+    tb = sys.exc_traceback
+    if tb is not None and tb.tb_next is None:
+        error("Python package management tool 'pip' not found", ERROR_NO_PIP)
+    else:
+        error(traceback.format_exc(), ERROR_EXCEPTION)
 
 
 def do_list():