environment/lib/python2.7/site-packages/IPython/utils/pickleshare.py
def keys(self, globpat = None):
        """ All keys in DB, or all keys matching a glob"""

        if globpat is None:
            files = self.root.walkfiles()
        else:
            files = [Path(p) for p in glob.glob(self.root/globpat)]
        return [self._normalized(p) for p in files if p.isfile()]
def keys(self, globpat = None):
        """ All keys in DB, or all keys matching a glob"""

        if globpat is None:
            files = self.root.walkfiles()
        else:
            files = [Path(p) for p in glob.glob(self.root/globpat)]
        return [self._normalized(p) for p in files if p.isfile()]
All keys in DB, or all keys matching a glob