Could not install packages due to an EnvironmentError: [Errno 30] Read-only file system

shell.sh

[neo@nixos:~]$ pip install youtrack-scripts
DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.
Collecting youtrack-scripts
  Using cached https://files.pythonhosted.org/packages/39/a6/5d444c6528513b58929b620c7ac0edd16103a395af77893756bcc2b02ac2/youtrack-scripts-0.1.34.tar.gz
Collecting python-dateutil (from youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/41/17/c62faccbfbd163c7f57f3844689e3a78bae1f403648a6afb1d0866d87fbb/python_dateutil-2.8.0-py2.py3-none-any.whl (226kB)
    100% |████████████████████████████████| 235kB 2.3MB/s 
Collecting youtrack==0.1.12 (from youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/7b/7a/eadeb0842ab2a06d1b7c6a646745a60f3a946631cedceb90720c9fa3a8a3/youtrack-0.1.12.tar.gz
Collecting pyactiveresource (from youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/b7/dd/fae34e03863036860d93157cbb73674ef3cdadc794e020ef0617438eda74/pyactiveresource-2.1.2.tar.gz
Collecting BeautifulSoup>=3.2.0 (from youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/1e/ee/295988deca1a5a7accd783d0dfe14524867e31abb05b6c0eeceee49c759d/BeautifulSoup-3.2.1.tar.gz
Collecting Trac>=1.0.1 (from youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/16/96/4f0485d5be269289b19fb46da466a1fb1d47843d60b2c3f7151c3d04a20c/Trac-1.4-py2-none-any.whl (2.8MB)
    100% |████████████████████████████████| 2.8MB 3.1MB/s 
Collecting requests (from youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/51/bd/23c926cd341ea6b7dd0b2a00aba99ae0f828be89d72b2190f27c11d4b7fb/requests-2.22.0-py2.py3-none-any.whl (57kB)
    100% |████████████████████████████████| 61kB 18.5MB/s 
Collecting six>=1.5 (from python-dateutil->youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721c0ac0ecfedb80e0d88c64e9/six-1.12.0-py2.py3-none-any.whl
Collecting httplib2>=0.7.4 (from youtrack==0.1.12->youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/78/23/bb9606e87a66fd8c72a2b1a75b049d3859a122bc2648915be845bc44e04f/httplib2-0.13.1.tar.gz (219kB)
    100% |████████████████████████████████| 225kB 8.2MB/s 
Requirement already satisfied: setuptools>=0.6 in /nix/store/xq0di4f3zfz5ycdjivwmm5i43qgmmm2a-python2.7-setuptools-40.8.0/lib/python2.7/site-packages/setuptools-40.8.0-py2.7.egg (from Trac>=1.0.1->youtrack-scripts) (40.8.0)
Collecting jinja2>=2.9.3 (from Trac>=1.0.1->youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/1d/e7/fd8b501e7a6dfe492a433deb7b9d833d39ca74916fa8bc63dd1a4947a671/Jinja2-2.10.1-py2.py3-none-any.whl (124kB)
    100% |████████████████████████████████| 133kB 22.6MB/s 
Collecting chardet<3.1.0,>=3.0.2 (from requests->youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/bc/a9/01ffebfb562e4274b6487b4bb1ddec7ca55ec7510b22e4c51f14098443b8/chardet-3.0.4-py2.py3-none-any.whl (133kB)
    100% |████████████████████████████████| 143kB 19.2MB/s 
Collecting idna<2.9,>=2.5 (from requests->youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/14/2c/cd551d81dbe15200be1cf41cd03869a46fe7226e7450af7a6545bfc474c9/idna-2.8-py2.py3-none-any.whl (58kB)
    100% |████████████████████████████████| 61kB 13.3MB/s 
Collecting urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1 (from requests->youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/e6/60/247f23a7121ae632d62811ba7f273d0e58972d75e58a94d329d51550a47d/urllib3-1.25.3-py2.py3-none-any.whl (150kB)
    100% |████████████████████████████████| 153kB 21.5MB/s 
Collecting certifi>=2017.4.17 (from requests->youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/69/1b/b853c7a9d4f6a6d00749e94eb6f3a041e342a885b87340b79c1ef73e3a78/certifi-2019.6.16-py2.py3-none-any.whl (157kB)
    100% |████████████████████████████████| 163kB 14.5MB/s 
Collecting MarkupSafe>=0.23 (from jinja2>=2.9.3->Trac>=1.0.1->youtrack-scripts)
  Downloading https://files.pythonhosted.org/packages/b9/2e/64db92e53b86efccfaea71321f597fa2e1b2bd3853d8ce658568f7a13094/MarkupSafe-1.1.1.tar.gz
Installing collected packages: six, python-dateutil, httplib2, youtrack, pyactiveresource, BeautifulSoup, MarkupSafe, jinja2, Trac, chardet, idna, urllib3, certifi, requests, youtrack-scripts
Could not install packages due to an EnvironmentError: [Errno 30] Read-only file system: '/nix/store/aciqc0bkn030p9ni3zhs7plnliamad3s-python-2.7.16-env/lib/python2.7/site-packages/six.py'

You are using pip version 19.0.3, however version 19.2.3 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.