From 2e17a095249dafe84d63309bf5a03b8a9b4961a7 Mon Sep 17 00:00:00 2001
From: anatoly techtonik <techtonik@gmail.com>
Date: Sun, 11 Jan 2015 16:23:36 +0300
Subject: SConsDoc.py: Calling sys.exit(-1) in imported library is bad, because
              it removes the trace who and when imported it.

---
 bin/SConsDoc.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/bin/SConsDoc.py b/bin/SConsDoc.py
index e1c2b0b..e435b4a 100644
--- a/bin/SConsDoc.py
+++ b/bin/SConsDoc.py
@@ -127,8 +127,7 @@ except:
     try:
         import lxml
     except:
-        print("Failed to import either libxml2/libxslt or lxml")
-        sys.exit(1)
+        raise ImportError("Failed to import either libxml2/libxslt or lxml")
 
 has_etree = False
 if not has_libxml2:
@@ -154,8 +153,7 @@ if not has_etree:
                     # normal ElementTree install
                     import elementtree.ElementTree as etree
                 except ImportError:
-                    print("Failed to import ElementTree from any known place")
-                    sys.exit(1)
+                    raise ImportError("Failed to import ElementTree from any known place")
 
 re_entity = re.compile("\&([^;]+);")
 re_entity_header = re.compile("<!DOCTYPE\s+sconsdoc\s+[^\]]+\]>")
-- 
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