dh_python2: ignore empty files while trying to normalize shebangs

debian/changelog

@@ -2,6 +2,7 @@ python-defaults (2.7.3-2) UNRELEASED; urgency=low
 
   * dist_fallback: add python-imaging (which wasn't recognized before due to
     .pth file)
+  * dh_python2: ignore empty files while trying to normalize shebangs
 
  -- Piotr Ożarowski <piotr@debian.org>  Fri, 06 Jul 2012 23:03:32 +0200
 

debpython/tools.py

@@ -100,6 +100,9 @@ def fix_shebang(fpath, replacement=None):
     try:
         with open(fpath) as fp:
             fcontent = fp.readlines()
+        if not fcontent:
+            log.debug('fix_shebang: ignoring empty file: %s', fpath)
+            return None
     except IOError:
         log.error('cannot open %s', fpath)
         return False