[Bigbang-user] question + starting user notes

[Niels ten Oever]

Found it (after some searching), it seems the module 'cycler' is no
longer standard included in matploblib, can be simply installer with:

$ pip install cycler

The quest continuous.

Cheers,

Niels

On 04/29/2016 04:19 PM, Niels ten Oever wrote:
> 3.
> 
> I do not get the notebooks properly running, I have tried several but I
> think this comes back (again) to Python versions because what I get when
> I simply run the first line (%matplotlib inline) in 'Analyze Senders'is:
> 
> [code]
> 
> ImportError                               Traceback (most recent call last)
> <ipython-input-1-e27d371d6baa> in <module>()
> ----> 1 get_ipython().magic('matplotlib inline')
> 
> /usr/local/lib/python3.4/dist-packages/IPython/core/interactiveshell.py
> in magic(self, arg_s)
>    2161         magic_name, _, magic_arg_s = arg_s.partition(' ')
>    2162         magic_name = magic_name.lstrip(prefilter.ESC_MAGIC)
> -> 2163         return self.run_line_magic(magic_name, magic_arg_s)
>    2164
>    2165
> #-------------------------------------------------------------------------
> 
> /usr/local/lib/python3.4/dist-packages/IPython/core/interactiveshell.py
> in run_line_magic(self, magic_name, line)
>    2082                 kwargs['local_ns'] =
> sys._getframe(stack_depth).f_locals
>    2083             with self.builtin_trap:
> -> 2084                 result = fn(*args,**kwargs)
>    2085             return result
>    2086
> 
> <decorator-gen-106> in matplotlib(self, line)
> 
> /usr/local/lib/python3.4/dist-packages/IPython/core/magic.py in
> <lambda>(f, *a, **k)
>     191     # but it's overkill for just that one bit of state.
>     192     def magic_deco(arg):
> --> 193         call = lambda f, *a, **k: f(*a, **k)
>     194
>     195         if callable(arg):
> 
> /usr/local/lib/python3.4/dist-packages/IPython/core/magics/pylab.py in
> matplotlib(self, line)
>      98             print("Available matplotlib backends: %s" %
> backends_list)
>      99         else:
> --> 100             gui, backend = self.shell.enable_matplotlib(args.gui)
>     101             self._show_matplotlib_backend(args.gui, backend)
>     102
> 
> /usr/local/lib/python3.4/dist-packages/IPython/core/interactiveshell.py
> in enable_matplotlib(self, gui)
>    2937         """
>    2938         from IPython.core import pylabtools as pt
> -> 2939         gui, backend = pt.find_gui_and_backend(gui,
> self.pylab_gui_select)
>    2940
>    2941         if gui != 'inline':
> 
> /usr/local/lib/python3.4/dist-packages/IPython/core/pylabtools.py in
> find_gui_and_backend(gui, gui_select)
>     256     """
>     257
> --> 258     import matplotlib
>     259
>     260     if gui and gui != 'auto':
> 
> /usr/local/lib/python3.4/dist-packages/matplotlib-1.5.1-py3.4-linux-x86_64.egg/matplotlib/__init__.py
> in <module>()
>     122 from matplotlib.cbook import is_string_like, mplDeprecation,
> dedent, get_label
>     123 from matplotlib.compat import subprocess
> --> 124 from matplotlib.rcsetup import (defaultParams,
>     125                                 validate_backend,
>     126                                 cycler)
> 
> /usr/local/lib/python3.4/dist-packages/matplotlib-1.5.1-py3.4-linux-x86_64.egg/matplotlib/rcsetup.py
> in <module>()
>      32
>      33 # Don't let the original cycler collide with our validating cycler
> ---> 34 from cycler import Cycler, cycler as ccycler
>      35
>      36 #interactive_bk = ['gtk', 'gtkagg', 'gtkcairo', 'qt4agg',
> 
> ImportError: No module named 'cycler'
> 
> Import the BigBang modules as needed. These should be in your Python
> environment if you've installed BigBang correctly.
> 
> [/code]
> 
> I got similar output with other notebooks. I think this is because
> python 3.4 is being called.
> 
> I tried:
> $ alias python=/usr/local/bin/python2.7
> and
> $ ipython notebook examples/
> 
> But that does not seem to work. Any suggestions on how I can make
> ipython (or the notebooks) use python2 ?

-- 
Niels ten Oever
Head of Digital

Article 19
www.article19.org

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