code: def host_chairs(self):
          '''Returns a list of members that chair the host committee,
          including "co-chair" and "chairperson." This could concievalby
          yield a false positive if the person's title is 'dunce chair'.
          '''
          chairs = []
          # Host is guaranteed to be a committe or none.
          host = self.host()
          if host is None:
              return
          for member, full_member in host.members_objects:
              if 'chair' in member.get('role', '').lower():
                  chairs.append((member, full_member))
          return chairf host_chairs(self):
          '''Returns a list of members that chair the host committee,
          including "co-chair" and "chairperson." This could concievalby
          yield a false positive if the person's title is 'dunce chair'.
          '''
          chairs = []
          # Host is guaranteed to be a committe or none.
          host = self.host()
          if host is None:
              return
          for member, full_member in host.members_objects:
              if 'chair' in member.get('role', '').lower():
                  chairs.append((member, full_member))
          return chairs
docs: Returns a list of members that chair the host committee,
          including "co-chair" and "chairperson." This could concievalby
          yield a false positive if the person's title is 'dunce chair'.