Vishal,
It seems like something has set your QT_API environment variable to
'pyside' when you would usually want it to be 'pyqt5'. Alternately you
could just also install PySide.
~Aaron
On Thursday, January 25, 2018 at 10:40:25 AM UTC-5, Vishal Mishra wrote:
>
> Hello All,
>
> I have installed spyder using pip but not able to launch it. I am using
> Python 3.5. Any help will be appreciated.
>
> [juniper@RTF_DEMO ~]$ spyder3
> Traceback (most recent call last):
> File "/usr/local/lib/python3.5/site-packages/qtpy/__init__.py", line
> 148, in <module>
> from PySide import __version__ as PYSIDE_VERSION # analysis:ignore
> ImportError: No module named 'PySide'
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "/usr/local/bin/spyder3", line 11, in <module>
> sys.exit(main())
> File "/usr/local/lib/python3.5/site-packages/spyder/app/start.py", line
> 143, in main
> from spyder.app import mainwindow
> File "/usr/local/lib/python3.5/site-packages/spyder/app/mainwindow.py",
> line 49, in <module>
> requirements.check_qt()
> File "/usr/local/lib/python3.5/site-packages/spyder/requirements.py",
> line 39, in check_qt
> import qtpy
> File "/usr/local/lib/python3.5/site-packages/qtpy/__init__.py", line
> 154, in <module>
> raise PythonQtError('No Qt bindings could be found')
> qtpy.PythonQtError: No Qt bindings could be found
>
> [juniper@RTF_DEMO ~]$ sudo spyder3
> [sudo] password for juniper:
> sudo: spyder3: command not found
> [juniper@RTF_DEMO ~]$ sudo spyder
> sudo: spyder: command not found
> [juniper@RTF_DEMO ~]$ spyder
> -bash: spyder: command not found
> [juniper@RTF_DEMO ~]$
>
>
>
> [juniper@RTF_DEMO ~]$ sudo pip install --upgrade spyder --proxy
> http://10.12.240.99:8080/
> Requirement already up-to-date: spyder in
> /usr/local/lib/python3.5/site-packages
> Requirement already up-to-date: pyflakes in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: chardet>=2.0.0 in
> /usr/local/lib/python3.5/site-packages/chardet-3.0.4-py3.5.egg (from spyder)
> Requirement already up-to-date: psutil in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: pyqt5; python_version >= "3" in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: qtawesome>=0.4.1 in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: nbconvert in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: pylint in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: pyzmq in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: pickleshare in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: sphinx in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: numpydoc in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: jedi>=0.9.0 in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: qtconsole>=4.2.0 in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: pyopengl; platform_system == "Linux" in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: pygments>=2.0 in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: rope>=0.10.5 in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: qtpy>=1.2.0 in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: pycodestyle in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: cloudpickle in
> /usr/local/lib/python3.5/site-packages (from spyder)
> Requirement already up-to-date: sip<4.20,>=4.19.4 in
> /usr/local/lib/python3.5/site-packages (from pyqt5; python_version >=
> "3"->spyder)
> Requirement already up-to-date: six in
> /usr/local/lib/python3.5/site-packages/six-1.11.0-py3.5.egg (from
> qtawesome>=0.4.1->spyder)
> Requirement already up-to-date: nbformat>=4.4 in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: entrypoints>=0.2.2 in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: mistune>=0.7.4 in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: pandocfilters>=1.4.1 in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: jupyter-core in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: traitlets>=4.2 in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: jinja2 in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: bleach in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: testpath in
> /usr/local/lib/python3.5/site-packages (from nbconvert->spyder)
> Requirement already up-to-date: mccabe in
> /usr/local/lib/python3.5/site-packages (from pylint->spyder)
> Requirement already up-to-date: isort>=4.2.5 in
> /usr/local/lib/python3.5/site-packages (from pylint->spyder)
> Requirement already up-to-date: astroid<2.0,>=1.6 in
> /usr/local/lib/python3.5/site-packages (from pylint->spyder)
> Requirement already up-to-date: sphinxcontrib-websupport in
> /usr/local/lib/python3.5/site-packages (from sphinx->spyder)
> Requirement already up-to-date: docutils>=0.11 in
> /usr/local/lib/python3.5/site-packages (from sphinx->spyder)
> Requirement already up-to-date: imagesize in
> /usr/local/lib/python3.5/site-packages (from sphinx->spyder)
> Requirement already up-to-date: requests>=2.0.0 in
> /usr/local/lib/python3.5/site-packages (from sphinx->spyder)
> Requirement already up-to-date: alabaster<0.8,>=0.7 in
> /usr/local/lib/python3.5/site-packages (from sphinx->spyder)
> Requirement already up-to-date: babel!=2.0,>=1.3 in
> /usr/local/lib/python3.5/site-packages (from sphinx->spyder)
> Requirement already up-to-date: snowballstemmer>=1.1 in
> /usr/local/lib/python3.5/site-packages (from sphinx->spyder)
> Requirement already up-to-date: setuptools in
> /usr/local/lib/python3.5/site-packages (from sphinx->spyder)
> Requirement already up-to-date: parso==0.1.1 in
> /usr/local/lib/python3.5/site-packages (from jedi>=0.9.0->spyder)
> Requirement already up-to-date: ipython-genutils in
> /usr/local/lib/python3.5/site-packages (from qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: jupyter-client>=4.1 in
> /usr/local/lib/python3.5/site-packages (from qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: ipykernel>=4.1 in
> /usr/local/lib/python3.5/site-packages (from qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: jsonschema!=2.5.0,>=2.4 in
> /usr/local/lib/python3.5/site-packages (from
> nbformat>=4.4->nbconvert->spyder)
> Requirement already up-to-date: decorator in
> /usr/local/lib/python3.5/site-packages (from
> traitlets>=4.2->nbconvert->spyder)
> Requirement already up-to-date: MarkupSafe>=0.23 in
> /usr/local/lib/python3.5/site-packages (from jinja2->nbconvert->spyder)
> Requirement already up-to-date:
> html5lib!=1.0b1,!=1.0b2,!=1.0b3,!=1.0b4,!=1.0b5,!=1.0b6,!=1.0b7,!=1.0b8,>=0.99999999pre
>
> in /usr/local/lib/python3.5/site-packages (from bleach->nbconvert->spyder)
> Requirement already up-to-date: lazy-object-proxy in
> /usr/local/lib/python3.5/site-packages (from
> astroid<2.0,>=1.6->pylint->spyder)
> Requirement already up-to-date: wrapt in
> /usr/local/lib/python3.5/site-packages (from
> astroid<2.0,>=1.6->pylint->spyder)
> Requirement already up-to-date: urllib3<1.23,>=1.21.1 in
> /usr/local/lib/python3.5/site-packages (from
> requests>=2.0.0->sphinx->spyder)
> Requirement already up-to-date: certifi>=2017.4.17 in
> /usr/local/lib/python3.5/site-packages (from
> requests>=2.0.0->sphinx->spyder)
> Requirement already up-to-date: idna<2.7,>=2.5 in
> /usr/local/lib/python3.5/site-packages/idna-2.6-py3.5.egg (from
> requests>=2.0.0->sphinx->spyder)
> Requirement already up-to-date: pytz>=0a in
> /usr/local/lib/python3.5/site-packages (from
> babel!=2.0,>=1.3->sphinx->spyder)
> Requirement already up-to-date: python-dateutil>=2.1 in
> /usr/local/lib/python3.5/site-packages (from
> jupyter-client>=4.1->qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: tornado>=4.1 in
> /usr/local/lib/python3.5/site-packages (from
> jupyter-client>=4.1->qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: ipython>=4.0.0 in
> /usr/local/lib/python3.5/site-packages (from
> ipykernel>=4.1->qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: webencodings in
> /usr/local/lib/python3.5/site-packages (from
> html5lib!=1.0b1,!=1.0b2,!=1.0b3,!=1.0b4,!=1.0b5,!=1.0b6,!=1.0b7,!=1.0b8,>=0.99999999pre->bleach->nbconvert->spyder)
> Requirement already up-to-date: pexpect; sys_platform != "win32" in
> /usr/local/lib/python3.5/site-packages (from
> ipython>=4.0.0->ipykernel>=4.1->qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: prompt-toolkit<2.0.0,>=1.0.4 in
> /usr/local/lib/python3.5/site-packages (from
> ipython>=4.0.0->ipykernel>=4.1->qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: simplegeneric>0.8 in
> /usr/local/lib/python3.5/site-packages (from
> ipython>=4.0.0->ipykernel>=4.1->qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: ptyprocess>=0.5 in
> /usr/local/lib/python3.5/site-packages (from pexpect; sys_platform !=
> "win32"->ipython>=4.0.0->ipykernel>=4.1->qtconsole>=4.2.0->spyder)
> Requirement already up-to-date: wcwidth in
> /usr/local/lib/python3.5/site-packages (from
> prompt-toolkit<2.0.0,>=1.0.4->ipython>=4.0.0->ipykernel>=4.1->qtconsole>=4.2.0->spyder)
> [juniper@RTF_DEMO ~]$
>
>
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