Error using Gadfly package in Julia -


i new julia. have tried sample code posted in julia site uses gadfly demonstrate plotting. however, gives me below error. believe dependent packages installed.
code:

pkg.add("gadfly") using gadfly draw(svg("output.svg", 6inch, 3inch), plot([sin, cos], 0, 25))

error got is:

error: pyerror (:pyobject_call) <type 'exceptions.valueerror'> valueerror('third arg must format string',)   file "/system/library/frameworks/python.framework/versions/2.7/extras/lib/python/matplotlib/pyplot.py", line 2987, in plot     ret = ax.plot(*args, **kwargs)   file "/system/library/frameworks/python.framework/versions/2.7/extras/lib/python/matplotlib/axes.py", line 4137, in plot     line in self._get_lines(*args, **kwargs):   file "/system/library/frameworks/python.framework/versions/2.7/extras/lib/python/matplotlib/axes.py", line 317, in _grab_next_args     seg in self._plot_args(remaining, kwargs):   file "/system/library/frameworks/python.framework/versions/2.7/extras/lib/python/matplotlib/axes.py", line 279, in _plot_args     raise valueerror('third arg must format string')   [inlined code] /users/mango/.julia/v0.4/pycall/src/exception.jl:81  in _pycall @ /users/mango/.julia/v0.4/pycall/src/pycall.jl:546  in pycall @ /users/mango/.julia/v0.4/pycall/src/pycall.jl:568  in plot @ /users/mango/.julia/v0.4/pyplot/src/pyplot.jl:395

what wrong sample code?

it indeed appears second comment issue, @ least in julia version 0.4 if wish can have both packages open, have specify 1 using. if have used commands: 

using pyplot using gadfly draw(svg("output.svg", 6inch, 3inch), gadfly.plot([sin, cos], 0, 25))

worked me. way specify using gadfly package rather pyplot package specific plot


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