% python
>>> from libqtile import widget
Unmet dependencies for optional Widget: '.widget.graph.CPUGraph', No module named 'psutil'
Unmet dependencies for optional Widget: '.widget.graph.MemoryGraph', No module named 'psutil'
Unmet dependencies for optional Widget: '.widget.graph.SwapGraph', No module named 'psutil'
Unmet dependencies for optional Widget: '.widget.graph.NetGraph', No module named 'psutil'
Unmet dependencies for optional Widget: '.widget.graph.HDDGraph', No module named 'psutil'
Unmet dependencies for optional Widget: '.widget.graph.HDDBusyGraph', No module named 'psutil'
Unmet dependencies for optional Widget: '.widget.launchbar.LaunchBar', No module named 'xdg'
Unmet dependencies for optional Widget: '.widget.wlan.Wlan', No module named 'iwlib'
Unmet dependencies for optional Widget: '.widget.khal_calendar.KhalCalendar', No module named 'dateutil'
Unmet dependencies for optional Widget: '.widget.imapwidget.ImapWidget', No module named 'keyring'
Unmet dependencies for optional Widget: '.widget.net.Net', No module named 'psutil'
Unmet dependencies for optional Widget: '.widget.memory.Memory', No module named 'psutil'