From 902bff95fd76b75e7c9c7887d86529d979f5578a Mon Sep 17 00:00:00 2001
From: Florian Wagner <florian.bonn@gmail.com>
Date: Thu, 13 Aug 2015 14:48:59 +0200
Subject: [PATCH] fixes #2614

---
 spyderlib/widgets/sourcecode/codeeditor.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/spyderlib/widgets/sourcecode/codeeditor.py b/spyderlib/widgets/sourcecode/codeeditor.py
index d936bd45305..8a2af2d4ad9 100644
--- a/spyderlib/widgets/sourcecode/codeeditor.py
+++ b/spyderlib/widgets/sourcecode/codeeditor.py
@@ -1883,6 +1883,7 @@ def fix_indent(self, forward=True, comment_or_string=False):
         # find the line that contains our scope
         diff = 0
         add_indent = False
+        prevline = None
         for prevline in range(block_nb-1, -1, -1):
             cursor.movePosition(QTextCursor.PreviousBlock)
             prevtext = to_text_string(cursor.block().text()).rstrip()
@@ -1903,6 +1904,10 @@ def fix_indent(self, forward=True, comment_or_string=False):
                     break
 
         indent = self.get_block_indentation(block_nb)
+        
+        if not prevline:
+            return False
+
         correct_indent = self.get_block_indentation(prevline)
 
         if add_indent: