02:32:54 MSK 2012 armv7l GNU/Linux In [2]: %pylab inline ... /usr/lib/pymodules/python2.6/matplotlib/axes.py in <module>() 17 import matplotlib.colors as mcolors 18 import matplotlib.contour as mcontour ---> 19 import matplotlib.dates as _ # <-registers a date unit converter 20 from matplotlib import docstring 21 import matplotlib.font_manager as font_manager /usr/lib/pymodules/python2.6/matplotlib/dates.py in <module>() 120 import matplotlib.ticker as ticker 121 --> 122 from dateutil.rrule import rrule, MO, TU, WE, TH, FR, SA, SU, YEARLY, \ 123 MONTHLY, WEEKLY, DAILY, HOURLY, MINUTELY, SECONDLY 124 from dateutil.relativedelta import relativedelta ImportError: No module named dateutil.rrule In [ ]: I get those message when i type %pylab inline