| Index: ensure_dependencies.py | 
| =================================================================== | 
| --- a/ensure_dependencies.py | 
| +++ b/ensure_dependencies.py | 
| @@ -220,7 +220,7 @@ | 
| if spec: | 
| result[key] = spec | 
| return result | 
| -    except IOError, e: | 
| +    except IOError as e: | 
| if e.errno != errno.ENOENT: | 
| raise | 
| return None | 
| @@ -332,7 +332,7 @@ | 
| try: | 
| with io.open(source, 'rb') as handle: | 
| sourcedata = handle.read() | 
| -        except IOError, e: | 
| +        except IOError as e: | 
| if e.errno != errno.ENOENT: | 
| raise | 
| logging.warning("File %s doesn't exist, skipping self-update" % source) | 
|  |