Questions tagged [python3]

Python 3 is the latest major version of Python, a scripting language used by many open source developers.

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Why am I getting notices about File Manager needing to restart?

For a week now I have been getting this notice that File Manger needs to restart with a restart button and cancel button. When I press the restart button nothing happens, that I can tell. The notice ...
David Christensen's user avatar
20 votes
5 answers
68k views

How do I switch back to python2 after Anaconda set python3 as the default?

Recently, I installed Anaconda3-2.5.0-Linux-x86_64.sh on my 15.04 and ended up with this! :~$ python --version Python 3.5.1 :: Anaconda 2.5.0 (64-bit) :~$ python2 --version Python 2.7.9 :~$ python3 ...
Piyush Deshmukh's user avatar
1 vote
1 answer
175 views

Should I install these packages for python3?

I'm learning python3 now and I want to ask a question about it. My Ubuntu has Python2 and Python3 already. I'm just learning python3. Should I install these packages? Packages: sudo apt-get ...
user avatar
10 votes
3 answers
28k views

Do "python3" and "python" use different path variables?

The command python opens a Python 2.7.6 environment. If I want to interpret a Python 3 script, I need to rewrite the command to python3. I've just installed the numpy package. In order to test the ...
null's user avatar
  • 1,231
3 votes
1 answer
3k views

How to "reset" python installation in ubuntu 14.04? [duplicate]

after installing several packages with the package manager, some others using eggs, some others using pip, for 2 versions of python, with some packages that in the meantime changed name (iPython --> ...
Antonello's user avatar
  • 735
0 votes
1 answer
4k views

ImportError: Gtk* backend requires pygtk to be installed (python3.4)?

l stuck with this error please help File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_gtk.py", line 16, in <module> raise ImportError("Gtk* backend requires pygtk to be ...
vincet's user avatar
  • 789
51 votes
2 answers
252k views

How to install cPickle on Python 3.4?

I tried sudo apt-get install cPickle and python3.4-cPickle but it doesn't work.
vincet's user avatar
  • 789
-1 votes
1 answer
502 views

Issues with installing packages : theano , sklearn?

How to install scipy, theano, sklearn for python3.4? l've tried: sudo apt-get install python3.4-theano but it failed.
vincet's user avatar
  • 789
1 vote
1 answer
883 views

Install libdnet Python wrapper for ScaPy

How to install the Python (3) wrapper for libdnet on Ubuntu 14.04.4 LTS? I need is as it is a pre-requisite to ScaPy, however the Python 3.x wrapper does not seem to exist yet.
Billal Begueradj's user avatar
1 vote
1 answer
11k views

Listbox with tkinter Treeview, how to avoid empty rows at the end [closed]

I have the following code to build a listbox with Treeview widget. import tkinter as tk import tkinter.ttk as ttk class AppBase: def __init__(self): self.mywin = tk.Tk() self....
gaiapac's user avatar
  • 109
1 vote
1 answer
698 views

Trouble during 'pip' install

I need help for the installtion of pip. Errors were encountered while processing: python-colorama python-distlib python-ndg-httpsclient python-urllib3 python-requests python-setuptools python-...
WarLock's user avatar
  • 11
0 votes
1 answer
376 views

Alienware-kbl is not installing due to python3-usb

I am pretty new to Ubuntu and I am trying to install alienware-kbl on my laptop to fix the lights on the keyboard. I have used it in the past with Ubuntu 14.04 and everything worked fine until a few ...
TheHoff's user avatar
3 votes
0 answers
3k views

libtiff module not found on 64-bit Ubuntu 14.04 python 3.5.1 (or 3.4)

My problem is pretty much identical to here except none of the solutions there are working for me. I'm assuming the issue there was for python 2.7 because my issue is specific to python 3.5.1 TL;DR: ...
Frikster's user avatar
  • 205
3 votes
1 answer
5k views

cant install python3 on ubuntu

I try to download python on ubuntu I get the following errors: ali@CCVL-4GPU:/media/work$ sudo apt-get install python3-dev Reading package lists... Done Building dependency tree Reading state ...
user1871528's user avatar
0 votes
2 answers
481 views

Ubuntu 14.04 Menu and Side bars NOT displaying after Python3 uninstalled

I've uninstalled Python3 and now my Side and Menu Bars are not displaying. I'm running Ubuntu 14.04 LTS. I can still see my other icons on the desktop. I've tried to launch Terminal( Alt+Cntrl+T) - ...
Abel De Klerk Cobus's user avatar
2 votes
1 answer
5k views

Installing python 3.x on Ubuntu 15.10

I have already python 2.7 on my machine. I can't recall if I installed it or it is a built-in install. Anyhow, I would like to install work with python 3.x and I wonder if I need first to uninstall ...
Elimination's user avatar
0 votes
2 answers
63 views

python 2.x beside 3.4

From noob to all... Is it possible to have py2.x beside 3.4, preferably with launcher icons for both? If not, how can I start py2 IDE from command line? I prefer py3, but need py2 and it's modules ...
p-n's user avatar
  • 3
3 votes
1 answer
10k views

How to install Python Matplotlib 1.5.1 on Ubuntu?

I want to install matplotlib 1.5.1 for python 3.4 on Ubuntu 14.04. But, when I type in the terminal sudo apt-get install python3-matplotlib, I just get matplotlib 1.3.1. I have tried to use pip to ...
lIlIIIllIIIllII's user avatar
0 votes
1 answer
622 views

Installing Python3.4 + Pygame on Ubuntu 15.04

The issue has been discussed before, but I have failed to find an answer for the problem. I have tried both to compile Pygame from the official website and install from PPA but nothing works for me. ...
Oromay's user avatar
  • 11
48 votes
12 answers
102k views

No module named 'gdbm'

I just finished installing python 3.5.1 on my Ubuntu, but am faced with this error message, regardless if I'm installing with Anaconda or with apt-get: No module named 'gdbm' that normally displays ...
Asogwa Chukwuemeka Martins's user avatar
4 votes
1 answer
10k views

How to install Python 3.5.1 on Wily Werewolf 15.10?

Python 3.5.1 came out on December 7th 2015 and as a beginning Python coder I would like to try the very latest version on my Ubuntu installation. At the moment Wily Werewolf 15.10 ships version 3.4 ...
andrew.46's user avatar
  • 38k
3 votes
3 answers
2k views

How can I reorganize files by extension, and sort them into folders by category?

Below code was posted by @JacobVlijm. I've tried to modify it, because I want other folder names then the file extensions, and I'd like to group file extensions into categories. The code does not work ...
Ashwin Joshi's user avatar
2 votes
0 answers
6k views

Python - pip pip2 pip3 pip3.5 packages are installed but cannot be imported in any Python session

As I am using Xubuntu I thought perhaps this was a better forum than Stackexchange for some questions relating to pip and Python Today I have encountered troubles with pip and Python. For some reason ...
no mouse's user avatar
  • 115
4 votes
1 answer
2k views

How can I use DBus to create a client and server without dbus configuration files on recent releases of Ubuntu?

I want to use a bridge between a flask webapp and python subprocesses under python3. I couldn't find a copy paste-able example of a service instantiated without config files for the same. The ...
RobotHumans's user avatar
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1 vote
1 answer
3k views

Configuring Kdevelop for Python 3

I've installed kdevelop 4.7.1 & kde-python 1.7.1 The default configuration is using Python 2 in the code autocompletion & the console. How do I set things up for Python 3? Also, code ...
Gareth 's user avatar
0 votes
1 answer
1k views

Installing scikit-learn with Python3, _superlu.cpython-34m.so: undefined symbol: dtrsm_

I am using ubuntu 14.04 and trying to install scikit-learn using python 3. An I run into the following error: In [4]: import sklearn produces: ImportError: /usr/local/lib/python3.4/dist-packages/...
Akavall's user avatar
  • 637
4 votes
2 answers
8k views

Accidentally deleted /usr/lib/python3.4

I am on ubuntu 14.04 and I accidentally deleted python3.4 I am trying apt-get install python3.4 dpkg-reconfigure -a apt-get install -f But I am seeing the following errors dpkg: error processing ...
Kiran Vemuri's user avatar
0 votes
1 answer
2k views

Can't properly install PyInstaller

Something went wrong while installing, but nonetheless I got a 'success' message: $ sudo pip3 install pyinstaller [sudo] password for user: Downloading/unpacking pyinstaller Downloading ...
R S's user avatar
  • 2,399
0 votes
1 answer
7k views

Cannot install Pygame for Python 3.5.1

I am trying to use Kivy 1.8.0 with Python 3.5.1 on my Ubuntu 15.04. Kivy generates an Error: Fatal Error : Window no available :abort. After some time I came to know it needs PyGame, but I cannot ...
Newbee's user avatar
  • 91
1 vote
1 answer
3k views

Cannot create Python 3.5 virtualenv ImportError: No module named 'gdbm'

I'm experiencing the same issue as this individual but unfortunately switching back to Python 3.4 is not an option for me, I need to be running 3.5. I've broken command not found? Here is what I'...
apardes's user avatar
  • 111
0 votes
1 answer
62 views

Need help with depixel in Ubuntu 14.04

I'm trying to use a program called "depixel" in Ubuntu 14.04 which seems to be written in python3. I'm trying to use it so I can smooth out a pixel art image I made. Here is a link to the program. I ...
user245115's user avatar
  • 1,163
2 votes
1 answer
2k views

Python3 + ipython + pylab on Ubuntu 14.04

I really want to switch to Python 3, but Ubuntu 14.04 makes it difficult to do so when using the IPython+pylab framework. My settings: I have installed most of the important packages using pip rather ...
Bach's user avatar
  • 751
0 votes
1 answer
2k views

Jupyter installation

Everytime I try to install jupyter using pip3 install jupyter I get Command /usr/bin/python3.5 -c "import setuptools, tokenize;__file__='/tmp/pip-build-ig1277kf/pyzmq/setup.py';exec(compile(...
Tahir Imanov's user avatar
1 vote
0 answers
1k views

glade import error as a gtk.glade [duplicate]

I am trying to port Python 2 to Python 3, but I am having trouble importing Glade: import gtk.glade ImportError: cannot import name glade, introspection typelib not found Any idea how to fix this? ...
mrudula's user avatar
  • 477
2 votes
1 answer
4k views

AttributeError: 'gi.repository.Gtk' object has no attribute 'gdk' [closed]

I am porting python 2 to python 3. When running application giving below error: AttributeError: 'gi.repository.Gtk' object has no attribute 'gdk' Any idea to fix this!! Thanks
mrudula's user avatar
  • 477
6 votes
2 answers
19k views

python3 is not supporting gtk module

I have Ubuntu 14.04 with python-2.7 and python-3 support. I am porting my python application from python-2.7 to python-3. I have example.py file which is importing below modules. and I #!/usr/bin/...
mrudula's user avatar
  • 477
1 vote
1 answer
3k views

Python is soft link to python2.7, how to change link to python 3 [duplicate]

on Ubuntu 14.04 has python-3, python-2.7 and python is linked to python-2.7 by default. I have to run python-3 code on ubuntu -14.04. Can I modify /usr/bin/python link to python3? Any idea? Thanks
mrudula's user avatar
  • 477
8 votes
2 answers
40k views

ImportError: No module named builtins

I am porting my python application from python 2 to python 3. As python-3 provides utility 2to3 which converts python-2 code to python-3. import builtins giving error as ImportError: No module named ...
mrudula's user avatar
  • 477
0 votes
1 answer
511 views

python application migration from python-2.6 to python-3

I'm migrating my python application from python-2.6 to python 3. My application has been developed on Ubuntu 10.04 system having python 2.6 support. Now i want to make it work on Ubuntu 14.04 with ...
mrudula's user avatar
  • 477
0 votes
1 answer
5k views

Unmet dependencies with python3

My server is currently running Ubuntu Server 15.10. Yesterday I tried installing Gnome GUI with the command sudo apt-get install xorg gnome-core gnome-system-tools gnome-app-install Now whenever I ...
Joel Arce's user avatar
3 votes
1 answer
973 views

Python os.getlogin() vs BASH : who

I have formed 3 sessions with user accounts and I got no problem with Unix: who command but why I am unable to get correct response with python : getoslogin() function. Please find attached image for ...
Raja G's user avatar
  • 102k
0 votes
1 answer
339 views

Software Center doesn't work after installing Python 3.4.3 [duplicate]

I have a problem with my Ubuntu 15.04, after installing Python 3.4.3 I couldn't run the Software Center and this message appears: File "/usr/bin/software-center", line 140 print time.time() ...
Mustafa thamer's user avatar
0 votes
1 answer
3k views

Cannot import Zlib in Python 3.5 on Wily

After an upgrade to Wily, the new Python 3.5 package seems to be broken. I've tried doing a complete re-install of all the Python3 packages but it's not fixed the problem: sal@gruntyman:~/workspace/...
Salim Fadhley's user avatar
1 vote
1 answer
231 views

OCR-Software sought

What is recommended commercially free usable OCR-Software? It should be accessible via Python or a Python library. And it should run under Linux. The one I came across myself is tesseract. Are there ...
empedokles's user avatar
  • 3,883
10 votes
4 answers
31k views

terminal won't launch after install python 3.5

After I installed Python 3.5 and ran the commands below, my terminal and many other programs won't launch any more. cd /usr/bin sudo rm python3 sudo ln -s python3.5 python3 How can I restore the ...
Behzad Ghotbifar's user avatar
1 vote
1 answer
285 views

Mathplot lib error on Python

I am trying to run a code on python which needs mathplotlib. By typing: python3 mouse_click.py gives the error ImportError: No module named 'matplotlib' For installing sudo apt-get install python-...
isifzade's user avatar
  • 453
10 votes
2 answers
46k views

Unable to install python3-dev ubuntu

When I tried to install python3-dev using sudo apt-get install python3-dev I got the following message python3-dev : Depends: libpython3-dev (= 3.4.0-0ubuntu2) but it is not going to be installed ...
iLoveCamelCase's user avatar
2 votes
1 answer
4k views

How to solve problem in Python 3: No module named 'unix' [closed]

I installed pymouse using pip3. In python interpreter I tryed to do import of pymouse: import pymouse and got this: Traceback (most recent call last): File "<stdin>", line 1, in <module>...
R S's user avatar
  • 2,399
22 votes
3 answers
122k views

How to update to the latest numpy and scipy on Ubuntu 14.04LTS

On my Ubuntu 14.04LTS, for python3, I have >>> import numpy >>> import scipy >>> numpy.__version__ '1.8.2' >>> scipy.__version__ '0.13.3' I want to update ...
Allanqunzi's user avatar
1 vote
1 answer
417 views

What's up with python3.4 in the last updates to 14.04

Something strange happened to python3.4 in the last update cycle. It now appears in Synaptic Package Manager under "installed - local or obsolete" along with all its dependencies. Why is this? I ...
Organic Marble's user avatar

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