virtualEnvironment/lib/python2.7/site-packages/coverage/data.py
def add_arc_data(self, arc_data):
        """Add measured arc data.

        `arc_data` is { filename: { (l1,l2): None, ... }, ...}

        """
        for filename, arcs in iitems(arc_data):
            self.arcs.setdefault(filename, {}).update(arcs)
def add_arc_data(self, arc_data):
        """Add measured arc data.

        `arc_data` is { filename: { (l1,l2): None, ... }, ...}

        """
        for filename, arcs in iitems(arc_data):
            self.arcs.setdefault(filename, {}).update(arcs)
Add measured arc data.

        `arc_data` is { filename: { (l1,l2): None, ... }, ...}