xxx@xxx:~/Pulpit/tools$ sudo apt install python3-setuptools
[sudo] hasło użytkownika xxx: 
Czytanie list pakietów... Gotowe
Budowanie drzewa zależności       
Odczyt informacji o stanie... Gotowe
python3-setuptools is already the newest version (20.7.0-1).
0 aktualizowanych, 0 nowo instalowanych, 0 usuwanych i 127 nieaktualizowanych.
xxx@xxx:~/Pulpit/tools$ pip3 install can
Collecting can
Installing collected packages: can
Successfully installed can-2.0
You are using pip version 8.1.1, however version 18.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
xxx@xxx:~/Pulpit/tools$ python3 opcom.py
Traceback (most recent call last):
  File "opcom.py", line 8, in <module>
    import can
ImportError: No module named 'can'
xxx@xxx:~/Pulpit/tools$ pip3 list
apturl (0.5.2)
beautifulsoup4 (4.4.1)
blinker (1.3)
Brlapi (0.6.4)
can (2.0)
chardet (2.3.0)
checkbox-support (0.22)
command-not-found (0.3)
cryptography (1.2.3)
defer (1.0.6)
feedparser (5.1.3)
guacamole (0.9.2)
html5lib (0.999)
httplib2 (0.9.1)
idna (2.0)
Jinja2 (2.8)
language-selector (0.1)
louis (2.6.4)
lxml (3.5.0)
Mako (1.0.3)
MarkupSafe (0.23)
oauthlib (1.0.3)
onboard (1.2.0)
padme (1.1.1)
pexpect (4.0.1)
Pillow (3.1.2)
pip (8.1.1)
plainbox (0.25)
ptyprocess (0.5)
pyasn1 (0.1.9)
pycups (1.9.73)
pycurl (7.43.0)
pygobject (3.20.0)
PyJWT (1.3.0)
pyparsing (2.0.3)
pyserial (3.4)
python-apt (1.1.0b1+ubuntu0.16.4.2)
python-debian (0.1.27)
python-systemd (231)
pyxdg (0.25)
reportlab (3.3.0)
requests (2.9.1)
sessioninstaller (0.0.0)
setuptools (20.7.0)
six (1.10.0)
system-service (0.3)
ubuntu-drivers-common (0.0.0)
ufw (0.35)
unattended-upgrades (0.1)
unity-scope-calculator (0.1)
unity-scope-chromiumbookmarks (0.1)
unity-scope-colourlovers (0.1)
unity-scope-devhelp (0.1)
unity-scope-firefoxbookmarks (0.1)
unity-scope-gdrive (0.7)
unity-scope-manpages (0.1)
unity-scope-openclipart (0.1)
unity-scope-texdoc (0.1)
unity-scope-tomboy (0.1)
unity-scope-virtualbox (0.1)
unity-scope-yelp (0.1)
unity-scope-zotero (0.1)
urllib3 (1.13.1)
usb-creator (0.3.0)
wheel (0.29.0)
xdiagnose (3.8.4.1)
xkit (0.0.0)
XlsxWriter (0.7.3)
You are using pip version 8.1.1, however version 18.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
xxx@xxx:~/Pulpit/tools$