gir has "introspectable=0" for Accounts.list()

The gir /usr/share/gir-1.0/Gwibber-0.1.gir does not allow importing some methods like "Accounts.list()", the problem seems to be that introspectable is set to "0". It might be required that the vala code gets annotations for this to work fully.

"""
  <namespace name="Gwibber"
             version="0.1"
             shared-library="libgwibber.so.1"
             c:identifier-prefixes="Gwibber"
             c:symbol-prefixes="gwibber">
    <class name="Account"
...
      <method name="list"
              c:identifier="gwibber_accounts_list"
              introspectable="0">
        <return-value>
          <type name="GLib.List" c:type="GList*">
            <type name="gpointer" c:type="gpointer"/>
          </type>
        </return-value>
      </method>
"""

To test:
$ python -c 'from gi.repository import Gwibber; accounts=Gwibber.Accounts(); print accounts.list()'