import pkg_resources

ENTRY_POINT = 'fanstatic.libraries'

class LibraryRegistry(dict):
    """A dictionary-like registry of libraries.

    This is a dictionary that mains libraries. A value is
    a :py:class:`Library` instance, and a key is its
    library ``name``.

    Normally there is only a single global LibraryRegistry,
    obtained by calling ``get_library_registry()``.
    
    :param libraries: a sequence of libraries
    """    
    def __init__(self, libraries):
        if libraries is None:
            return
        for library in libraries:
            self[library.name] = library

    def add(self, library):
        """Add a Library instance to the registry.

        :param add: add a library to the registry.
        """
        self[library.name] = library

def get_libraries_from_entry_points():
    libraries = []
    for entry_point in pkg_resources.iter_entry_points(ENTRY_POINT):
        libraries.append(entry_point.load())
    return libraries

_library_registry = None

def get_library_registry():
    '''Get the global :py:class:`LibraryRegistry`.

    It gets filled with the libraries registered using the fanstatic
    entry point.
    
    You can also add libraries to it later.
    '''
    global _library_registry
    if _library_registry is not None:
        return _library_registry
    _library_registry = LibraryRegistry(get_libraries_from_entry_points())
    return _library_registry


@@ -478,57 +478,8 @@
 s):%0A
-        if libraries is None:%0A            return%0A
     

Remove some code that wasn't in use anymore.