Backport PR #2615

spyder-ide · Aug 20, 2015 · 702d7a6 · 702d7a6
1 parent 4c272f3
commit 702d7a6
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/spyderlib/widgets/sourcecode/codeeditor.py b/spyderlib/widgets/sourcecode/codeeditor.py
@@ -1812,12 +1812,16 @@ def fix_indent(self, forward=True, comment_or_string=False):
             return
         cursor = self.textCursor()
         block_nb = cursor.blockNumber()
+        prevline = None
         for prevline in range(block_nb-1, -1, -1):
             cursor.movePosition(QTextCursor.PreviousBlock)
             prevtext = to_text_string(cursor.block().text()).rstrip()
             if not prevtext.strip().startswith('#'):
                 break
 
+        if not prevline:
+            return False
+
         indent = self.get_block_indentation(block_nb)
         correct_indent = self.get_block_indentation(prevline)