Traceback (most recent call last):
  File "./testMisc.py", line 37, in ?
    drawPlot(oDb, ltTimeVal, label, hourSpan, minuteInterval)
  File "./plotMpl.py", line 63, in drawPlot
    savefig('plotMpl', dpi=75)
  File "/usr/lib/python2.2/site-packages/matplotlib/matlab.py", line 1115, in savefig
    manager.canvas.print_figure(*args, **kwargs)
  File "/usr/lib/python2.2/site-packages/matplotlib/backends/backend_gtkagg.py", line 59, in print_figure
    agg.print_figure(filename, dpi, facecolor, edgecolor, orientation)
  File "/usr/lib/python2.2/site-packages/matplotlib/backends/backend_agg.py", line 405, in print_figure
    self.draw()
  File "/usr/lib/python2.2/site-packages/matplotlib/backends/backend_agg.py", line 360, in draw
    self.figure.draw(self.renderer)
  File "/usr/lib/python2.2/site-packages/matplotlib/artist.py", line 88, in draw
    self._draw(renderer, *args, **kwargs)
  File "/usr/lib/python2.2/site-packages/matplotlib/figure.py", line 89, in _draw
    for a in self.axes: a.draw(renderer)
  File "/usr/lib/python2.2/site-packages/matplotlib/artist.py", line 88, in draw
    self._draw(renderer, *args, **kwargs)
  File "/usr/lib/python2.2/site-packages/matplotlib/axes.py", line 544, in _draw
    self.yaxis.draw(renderer)
  File "/usr/lib/python2.2/site-packages/matplotlib/artist.py", line 88, in draw
    self._draw(renderer, *args, **kwargs)
  File "/usr/lib/python2.2/site-packages/matplotlib/axis.py", line 423, in _draw
    majorTicks = self.get_major_ticks()
  File "/usr/lib/python2.2/site-packages/matplotlib/axis.py", line 586, in get_major_ticks
    numticks = len(self._majorTicker.locator())
  File "/usr/lib/python2.2/site-packages/matplotlib/ticker.py", line 555, in __call__
    self._locator = self.get_locator(d)
  File "/usr/lib/python2.2/site-packages/matplotlib/ticker.py", line 571, in get_locator
    ld = log10(d)
AttributeError: 'long' object has no attribute 'log10'