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[newbie] Problem with matplotlib

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  [newbie] Problem with matplotlib jenswaelkens@gmail.com - 2016-02-19 23:42 -0800
    Re: [newbie] Problem with matplotlib Dave Farrance <df@see.replyto.invalid> - 2016-02-20 08:30 +0000
      Re: [newbie] Problem with matplotlib Dave Farrance <df@see.replyto.invalid> - 2016-02-20 08:49 +0000
        Re: [newbie] Problem with matplotlib Dave Farrance <df@see.replyto.invalid> - 2016-02-20 09:19 +0000
        Re: [newbie] Problem with matplotlib jenswaelkens@gmail.com - 2016-02-20 09:02 -0800
    Re: [newbie] Problem with matplotlib Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-02-20 08:42 +0000
      Re: [newbie] Problem with matplotlib jenswaelkens@gmail.com - 2016-02-20 09:05 -0800

#103242 — [newbie] Problem with matplotlib

When I use either of the following commands I get an error for which I don't have a solution, could someone here help me further?
These are the commands:
import matplotlib.pyplot as plt

or

from matplotlib.pyplot import pyplot as plt

This is the error I get:
Traceback (most recent call last):
  File "/home/waelkens/matplotlibdemo.py", line 2, in <module>
    from matplotlib.pyplot import pyplot as plt
  File "/usr/lib/python2.7/dist-packages/matplotlib/pyplot.py", line 27, in <module>
    import matplotlib.colorbar
  File "/usr/lib/python2.7/dist-packages/matplotlib/colorbar.py", line 36, in <module>
    import matplotlib.contour as contour
  File "/usr/lib/python2.7/dist-packages/matplotlib/contour.py", line 17, in <module>
    import matplotlib.ticker as ticker
  File "/usr/lib/python2.7/dist-packages/matplotlib/ticker.py", line 152, in <module>
    import decimal
  File "/usr/lib/python2.7/decimal.py", line 3744, in <module>
    _numbers.Number.register(Decimal)
AttributeError: 'module' object has no attribute 'Number'

thanks in advance
Jens

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#103250

jenswaelkens@gmail.com wrote:

>  File "/usr/lib/python2.7/decimal.py", line 3744, in <module>
>    _numbers.Number.register(Decimal)
>AttributeError: 'module' object has no attribute 'Number'

Your decimal module seems broken. Confirm that in the Python shell:

import numbers
print numbers.Number

I'm guessing you'll get:
AttributeError: 'module' object has no attribute 'Number'

It appears to be the usual decimal module of the current linux system
python 2.7, so a corrupt hard disk?

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#103255

It occurs to me now that the trackback might misidentify the module in
use, if say, you'd named a file "numbers.py" then got rid of it later
leaving a "numbers.pyc" somewhere. If so, see where it is:

import numbers
print numbers.__file__

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#103260

Dave Farrance <df@see.replyto.invalid> wrote:

>It occurs to me now that the trackback might misidentify the module in
>use, if say, you'd named a file "numbers.py" then got rid of it later
>leaving a "numbers.pyc" somewhere. If so, see where it is:
>
>import numbers
>print numbers.__file__

I seem to have "numbers" on the brain. Replace with "decimal", of
course.

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#103269

Op zaterdag 20 februari 2016 09:50:05 UTC+1 schreef Dave Farrance:
> It occurs to me now that the trackback might misidentify the module in
> use, if say, you'd named a file "numbers.py" then got rid of it later
> leaving a "numbers.pyc" somewhere. If so, see where it is:
> 
> import numbers
> print numbers.__file__

Dear Farrance,
You have solved my problem, there was indeed a program which I had called numbers.py and a numbers.pyc which caused this behaviour. Thanks a lot for helping me.

kind regards,
Jens

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#103253

On 20/02/2016 07:42, jenswaelkens@gmail.com wrote:
> When I use either of the following commands I get an error for which I don't have a solution, could someone here help me further?
> These are the commands:
> import matplotlib.pyplot as plt

Are you certain that this is what you typed?

C:\Users\Mark\Desktop>py -2.7
Python 2.7.10 (default, May 23 2015, 09:44:00) [MSC v.1500 64 bit 
(AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
 >>> import matplotlib.pyplot as plt
 >>>

Please have another go.

>
> or
>
> from matplotlib.pyplot import pyplot as plt

The above is incorrect, you are trying to import 'pyplot' from 
'matplotlib.pyplot'.

>
> This is the error I get:
> Traceback (most recent call last):
>    File "/home/waelkens/matplotlibdemo.py", line 2, in <module>
>      from matplotlib.pyplot import pyplot as plt
>    File "/usr/lib/python2.7/dist-packages/matplotlib/pyplot.py", line 27, in <module>
>      import matplotlib.colorbar
>    File "/usr/lib/python2.7/dist-packages/matplotlib/colorbar.py", line 36, in <module>
>      import matplotlib.contour as contour
>    File "/usr/lib/python2.7/dist-packages/matplotlib/contour.py", line 17, in <module>
>      import matplotlib.ticker as ticker
>    File "/usr/lib/python2.7/dist-packages/matplotlib/ticker.py", line 152, in <module>
>      import decimal
>    File "/usr/lib/python2.7/decimal.py", line 3744, in <module>
>      _numbers.Number.register(Decimal)
> AttributeError: 'module' object has no attribute 'Number'
>
> thanks in advance
> Jens
>

With this type of problem I'm inclined to throw the last line of the 
traceback, here the 'AttributeError' one, into a search engine and see 
what you come up with.  The hits you get are often enough to help you 
diagnose the problem.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence

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#103270

Op zaterdag 20 februari 2016 09:43:35 UTC+1 schreef Mark Lawrence:
> On 20/02/2016 07:42, jenswaelkens@gmail.com wrote:
> > When I use either of the following commands I get an error for which I don't have a solution, could someone here help me further?
> > These are the commands:
> > import matplotlib.pyplot as plt
> 
> Are you certain that this is what you typed?
> 
> C:\Users\Mark\Desktop>py -2.7
> Python 2.7.10 (default, May 23 2015, 09:44:00) [MSC v.1500 64 bit 
> (AMD64)] on win32
> Type "help", "copyright", "credits" or "license" for more information.
>  >>> import matplotlib.pyplot as plt
>  >>>
> 
> Please have another go.
> 
> >
> > or
> >
> > from matplotlib.pyplot import pyplot as plt
> 
> The above is incorrect, you are trying to import 'pyplot' from 
> 'matplotlib.pyplot'.

You are right, this doesn't work, I got it from some source on the Internet tryin to solve the initial problem with the other statement...Anyway, as you see in my other reply, the problem has been solved.

kind regards,
Jens

> 
> >
> > This is the error I get:
> > Traceback (most recent call last):
> >    File "/home/waelkens/matplotlibdemo.py", line 2, in <module>
> >      from matplotlib.pyplot import pyplot as plt
> >    File "/usr/lib/python2.7/dist-packages/matplotlib/pyplot.py", line 27, in <module>
> >      import matplotlib.colorbar
> >    File "/usr/lib/python2.7/dist-packages/matplotlib/colorbar.py", line 36, in <module>
> >      import matplotlib.contour as contour
> >    File "/usr/lib/python2.7/dist-packages/matplotlib/contour.py", line 17, in <module>
> >      import matplotlib.ticker as ticker
> >    File "/usr/lib/python2.7/dist-packages/matplotlib/ticker.py", line 152, in <module>
> >      import decimal
> >    File "/usr/lib/python2.7/decimal.py", line 3744, in <module>
> >      _numbers.Number.register(Decimal)
> > AttributeError: 'module' object has no attribute 'Number'
> >
> > thanks in advance
> > Jens
> >
> 
> With this type of problem I'm inclined to throw the last line of the 
> traceback, here the 'AttributeError' one, into a search engine and see 
> what you come up with.  The hits you get are often enough to help you 
> diagnose the problem.
> 
> -- 
> My fellow Pythonistas, ask not what our language can do for you, ask
> what you can do for our language.
> 
> Mark Lawrence

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