Although that Linter and pip are installed on my Ubuntu system VSCode can't detect or use them !!
$ pip --version
pip 9.0.1 from /usr/lib/python2.7/dist-packages (python 2.7)
joseph@joseph-X541UJ:~$ sudo pip install pylint
The directory '/home/joseph/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/joseph/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting pylint
Downloading https://files.pythonhosted.org/packages/40/5f/2ba2603512cbf48b2d5fa9c3ed494d61bef84fcf2f7a03e602cd15929727/pylint-1.9.3-py2.py3-none-any.whl (694kB)
100% |████████████████████████████████| 696kB 378kB/s
Collecting isort>=4.2.5 (from pylint)
Downloading https://files.pythonhosted.org/packages/41/d8/a945da414f2adc1d9e2f7d6e7445b27f2be42766879062a2e63616ad4199/isort-4.3.4-py2-none-any.whl (45kB)
100% |████████████████████████████████| 51kB 804kB/s
Collecting singledispatch; python_version < "3.4" (from pylint)
Downloading https://files.pythonhosted.org/packages/c5/10/369f50bcd4621b263927b0a1519987a04383d4a98fb10438042ad410cf88/singledispatch-3.4.0.3-py2.py3-none-any.whl
Collecting astroid<2.0,>=1.6 (from pylint)
Downloading https://files.pythonhosted.org/packages/0e/9b/18b08991c8c6aaa827faf394f4468b8fee41db1f73aa5157f9f5fb2e69c3/astroid-1.6.5-py2.py3-none-any.whl (293kB)
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Requirement already satisfied: configparser; python_version == "2.7" in /usr/lib/python2.7/dist-packages (from pylint)
Collecting mccabe (from pylint)
Downloading https://files.pythonhosted.org/packages/87/89/479dc97e18549e21354893e4ee4ef36db1d237534982482c3681ee6e7b57/mccabe-0.6.1-py2.py3-none-any.whl
Collecting backports.functools-lru-cache; python_version == "2.7" (from pylint)
Downloading https://files.pythonhosted.org/packages/03/8e/2424c0e65c4a066e28f539364deee49b6451f8fcd4f718fefa50cc3dcf48/backports.functools_lru_cache-1.5-py2.py3-none-any.whl
Requirement already satisfied: six in /usr/lib/python2.7/dist-packages (from pylint)
Collecting futures (from isort>=4.2.5->pylint)
Downloading https://files.pythonhosted.org/packages/2d/99/b2c4e9d5a30f6471e410a146232b4118e697fa3ffc06d6a65efde84debd0/futures-3.2.0-py2-none-any.whl
Requirement already satisfied: enum34>=1.1.3; python_version < "3.4" in /usr/lib/python2.7/dist-packages (from astroid<2.0,>=1.6->pylint)
Collecting wrapt (from astroid<2.0,>=1.6->pylint)
Downloading https://files.pythonhosted.org/packages/a0/47/66897906448185fcb77fc3c2b1bc20ed0ecca81a0f2f88eda3fc5a34fc3d/wrapt-1.10.11.tar.gz
Collecting lazy-object-proxy (from astroid<2.0,>=1.6->pylint)
Downloading https://files.pythonhosted.org/packages/52/7e/f0f570ba363e15251bb9fd452257ec2aff91be0187a08a893afbd8ae225f/lazy_object_proxy-1.3.1-cp27-cp27mu-manylinux1_x86_64.whl (56kB)
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Installing collected packages: futures, isort, singledispatch, wrapt, backports.functools-lru-cache, lazy-object-proxy, astroid, mccabe, pylint
Running setup.py install for wrapt ... done
Successfully installed astroid-1.6.5 backports.functools-lru-cache-1.5 futures-3.2.0 isort-4.3.4 lazy-object-proxy-1.3.1 mccabe-0.6.1 pylint-1.9.3 singledispatch-3.4.0.3 wrapt-1.10.11
joseph@joseph-X541UJ:~$ pylint --version
No config file found, using default configuration
pylint 1.9.3,
astroid 1.6.5
Python 2.7.15+ (default, Oct 2 2018, 22:12:08)
[GCC 8.2.0]
pip --version
pip 9.0.1 from /usr/lib/python2.7/dist-packages (python 2.7)
joseph@joseph-X541UJ:~$
Although that Linter and pip are installed on my Ubuntu system VSCode can't detect or use them !!
this what my terminal says to me every time I open a python file !!
when I press install that is what I see
this is what my terminal shows me !!