From e4105d448651cd9cd572054758fad868d95d45b8 Mon Sep 17 00:00:00 2001
From: Stefan Lehmann <Stefan.St.Lehmann@gmail.com>
Date: Wed, 9 Sep 2015 16:38:38 +0200
Subject: [PATCH] Update FileHeader.py

Fix proposal for solving issue #37. Don' t know if return is the best way to solve it.
---
 FileHeader.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/FileHeader.py b/FileHeader.py
index edcc4f7..701bf1f 100644
--- a/FileHeader.py
+++ b/FileHeader.py
@@ -601,13 +601,15 @@ def update_automatically(self, view, what):
             if search is not None:
                 var = search.group()
                 index = line.find(var)
-
+                line_header = None
+    
                 for i in range(index - 1, 0, -1):
                     if line[i] != ' ':
                         space_start = i + 1
                         line_header = line[:space_start]
                         break
-
+                if line_header is None:
+                    return
                 line_header = re.escape(line_header)
                 if what == LAST_MODIFIED_BY or what == FILE_NAME or \
                         what == FILE_NAME_WITHOUT_EXTENSION or \