Fix lint

Author: gaogaotiantian

Doc/library/linecache.rst

@@ -30,7 +30,7 @@ The :mod:`linecache` module defines the following functions:
 
    .. index:: triple: module; search; path
 
-   If *filename* indicates a frozen module (starting with ``<frozen ``), the function
+   If *filename* indicates a frozen module (starting with ``'<frozen '``), the function
    will attepmt to get the real file name from ``module_globals['__file__']`` if
    *module_globals* is not ``None``.