I1m using python-3.2.2 with matplotlib 1.1.0 (from the py3 fork). I attempted a simple plotting test, and I get a blank Figure window together with the error messages below. I suspect that I haven1t got matplotlib and tk/tcl setup properly, but I1m not sure how to track down the issue. TIA, Eric $ ipython3 --pylab Python 3.2.2 (default, Dec 5 2011, 12:00:35) Type "copyright", "credits" or "license" for more information. IPython 0.11 -- An enhanced Interactive Python. ? -> Introduction and overview of IPython's features. %quickref -> Quick reference. help -> Python's own help system. object? -> Details about 'object', use 'object??' for extra details. Welcome to pylab, a matplotlib-based Python environment [backend: TkAgg]. For more information, type 'help(pylab)'. In [1]: y = pylab.linspace( 0, 1, 10 ) In [2]: pylab.plot( y ) Exception in Tkinter callback Traceback (most recent call last): File "/usr/local/python-3.2.2/lib/python3.2/site-packages/matplotlib/backends/tka gg.py", line 13, in blit tk.call("PyAggImagePhoto", photoimage, id(aggimage), colormode, id(bbox_array)) _tkinter.TclError: invalid command name "PyAggImagePhoto" During handling of the above exception, another exception occurred: Traceback (most recent call last): File "tkinter/__init__.py", line 1399, in __call__ return self.func(*args) File "/usr/local/python-3.2.2/lib/python3.2/site-packages/matplotlib/backends/bac kend_tkagg.py", line 236, in resize self.show() File "/usr/local/python-3.2.2/lib/python3.2/site-packages/matplotlib/backends/bac kend_tkagg.py", line 240, in draw tkagg.blit(self._tkphoto, self.renderer._renderer, colormode=2) File "/usr/local/python-3.2.2/lib/python3.2/site-packages/matplotlib/backends/tka gg.py", line 20, in blit tk.call("PyAggImagePhoto", photoimage, id(aggimage), colormode, id(bbox_array)) _tkinter.TclError Out[2]: [<matplotlib.lines.Line2D at 0xed73e02c>] In [3]: Exception in Tkinter callback Traceback (most recent call last): File "/usr/local/python-3.2.2/lib/python3.2/site-packages/matplotlib/backends/tka gg.py", line 13, in blit tk.call("PyAggImagePhoto", photoimage, id(aggimage), colormode, id(bbox_array)) _tkinter.TclError During handling of the above exception, another exception occurred: Traceback (most recent call last): File "tkinter/__init__.py", line 1399, in __call__ return self.func(*args) File "tkinter/__init__.py", line 487, in callit func(*args) File "/usr/local/python-3.2.2/lib/python3.2/site-packages/matplotlib/backends/bac kend_tkagg.py", line 254, in idle_draw self.draw() File "/usr/local/python-3.2.2/lib/python3.2/site-packages/matplotlib/backends/bac kend_tkagg.py", line 240, in draw tkagg.blit(self._tkphoto, self.renderer._renderer, colormode=2) File "/usr/local/python-3.2.2/lib/python3.2/site-packages/matplotlib/backends/tka gg.py", line 20, in blit tk.call("PyAggImagePhoto", photoimage, id(aggimage), colormode, id(bbox_array)) _tkinter.TclError