pip install -upgrade jupyterthemes
Usage:   
  /Users/lukavandenboomen/opt/anaconda3/bin/python -m pip install [options] <requirement specifier> [package-index-options] ...
  /Users/lukavandenboomen/opt/anaconda3/bin/python -m pip install [options] -r <requirements file> [package-index-options] ...
  /Users/lukavandenboomen/opt/anaconda3/bin/python -m pip install [options] [-e] <vcs project url> ...
  /Users/lukavandenboomen/opt/anaconda3/bin/python -m pip install [options] [-e] <local project path> ...
  /Users/lukavandenboomen/opt/anaconda3/bin/python -m pip install [options] <archive url/path> ...

no such option: -u
Note: you may need to restart the kernel to use updated packages.
pip install jupyterthemes
Collecting jupyterthemes
  Downloading jupyterthemes-0.20.0-py2.py3-none-any.whl (7.0 MB)
     |████████████████████████████████| 7.0 MB 4.1 MB/s eta 0:00:01     |███▍                            | 737 kB 4.1 MB/s eta 0:00:02     |███████████████████████████▎    | 6.0 MB 4.1 MB/s eta 0:00:01
Requirement already satisfied: ipython>=5.4.1 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from jupyterthemes) (8.2.0)
Requirement already satisfied: jupyter-core in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from jupyterthemes) (4.9.2)
Collecting lesscpy>=0.11.2
  Downloading lesscpy-0.15.1-py2.py3-none-any.whl (46 kB)
     |████████████████████████████████| 46 kB 9.0 MB/s  eta 0:00:01
Requirement already satisfied: matplotlib>=1.4.3 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from jupyterthemes) (3.5.1)
Requirement already satisfied: notebook>=5.6.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from jupyterthemes) (6.4.8)
Requirement already satisfied: jedi>=0.16 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (0.18.1)
Requirement already satisfied: backcall in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (0.2.0)
Requirement already satisfied: prompt-toolkit!=3.0.0,!=3.0.1,<3.1.0,>=2.0.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (3.0.20)
Requirement already satisfied: pickleshare in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (0.7.5)
Requirement already satisfied: setuptools>=18.5 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (61.2.0)
Requirement already satisfied: stack-data in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (0.2.0)
Requirement already satisfied: traitlets>=5 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (5.1.1)
Requirement already satisfied: matplotlib-inline in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (0.1.2)
Requirement already satisfied: pexpect>4.3 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (4.8.0)
Requirement already satisfied: appnope in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (0.1.2)
Requirement already satisfied: decorator in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (5.1.1)
Requirement already satisfied: pygments>=2.4.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipython>=5.4.1->jupyterthemes) (2.11.2)
Requirement already satisfied: parso<0.9.0,>=0.8.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from jedi>=0.16->ipython>=5.4.1->jupyterthemes) (0.8.3)
Collecting ply
  Downloading ply-3.11-py2.py3-none-any.whl (49 kB)
     |████████████████████████████████| 49 kB 11.9 MB/s eta 0:00:01
Requirement already satisfied: cycler>=0.10 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from matplotlib>=1.4.3->jupyterthemes) (0.11.0)
Requirement already satisfied: fonttools>=4.22.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from matplotlib>=1.4.3->jupyterthemes) (4.25.0)
Requirement already satisfied: packaging>=20.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from matplotlib>=1.4.3->jupyterthemes) (21.3)
Requirement already satisfied: pillow>=6.2.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from matplotlib>=1.4.3->jupyterthemes) (9.0.1)
Requirement already satisfied: pyparsing>=2.2.1 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from matplotlib>=1.4.3->jupyterthemes) (3.0.4)
Requirement already satisfied: python-dateutil>=2.7 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from matplotlib>=1.4.3->jupyterthemes) (2.8.2)
Requirement already satisfied: numpy>=1.17 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from matplotlib>=1.4.3->jupyterthemes) (1.21.5)
Requirement already satisfied: kiwisolver>=1.0.1 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from matplotlib>=1.4.3->jupyterthemes) (1.3.2)
Requirement already satisfied: prometheus-client in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (0.13.1)
Requirement already satisfied: nbconvert in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (6.4.4)
Requirement already satisfied: nest-asyncio>=1.5 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (1.5.5)
Requirement already satisfied: nbformat in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (5.3.0)
Requirement already satisfied: Send2Trash>=1.8.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (1.8.0)
Requirement already satisfied: jupyter-client>=5.3.4 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (6.1.12)
Requirement already satisfied: argon2-cffi in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (21.3.0)
Requirement already satisfied: ipykernel in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (6.9.1)
Requirement already satisfied: terminado>=0.8.3 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (0.13.1)
Requirement already satisfied: tornado>=6.1 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (6.1)
Requirement already satisfied: ipython-genutils in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (0.2.0)
Requirement already satisfied: jinja2 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (3.1.2)
Requirement already satisfied: pyzmq>=17 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from notebook>=5.6.0->jupyterthemes) (22.3.0)
Requirement already satisfied: ptyprocess>=0.5 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from pexpect>4.3->ipython>=5.4.1->jupyterthemes) (0.7.0)
Requirement already satisfied: wcwidth in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from prompt-toolkit!=3.0.0,!=3.0.1,<3.1.0,>=2.0.0->ipython>=5.4.1->jupyterthemes) (0.2.5)
Requirement already satisfied: six>=1.5 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from python-dateutil>=2.7->matplotlib>=1.4.3->jupyterthemes) (1.16.0)
Requirement already satisfied: argon2-cffi-bindings in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from argon2-cffi->notebook>=5.6.0->jupyterthemes) (21.2.0)
Requirement already satisfied: cffi>=1.0.1 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from argon2-cffi-bindings->argon2-cffi->notebook>=5.6.0->jupyterthemes) (1.15.0)
Requirement already satisfied: pycparser in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from cffi>=1.0.1->argon2-cffi-bindings->argon2-cffi->notebook>=5.6.0->jupyterthemes) (2.21)
Requirement already satisfied: debugpy<2.0,>=1.0.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from ipykernel->notebook>=5.6.0->jupyterthemes) (1.5.1)
Requirement already satisfied: MarkupSafe>=2.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from jinja2->notebook>=5.6.0->jupyterthemes) (2.1.2)
Requirement already satisfied: bleach in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (4.1.0)
Requirement already satisfied: pandocfilters>=1.4.1 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (1.5.0)
Requirement already satisfied: jupyterlab-pygments in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (0.1.2)
Requirement already satisfied: beautifulsoup4 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (4.11.1)
Requirement already satisfied: nbclient<0.6.0,>=0.5.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (0.5.13)
Requirement already satisfied: testpath in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (0.5.0)
Requirement already satisfied: entrypoints>=0.2.2 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (0.4)
Requirement already satisfied: defusedxml in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (0.7.1)
Requirement already satisfied: mistune<2,>=0.8.1 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbconvert->notebook>=5.6.0->jupyterthemes) (0.8.4)
Requirement already satisfied: fastjsonschema in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbformat->notebook>=5.6.0->jupyterthemes) (2.15.1)
Requirement already satisfied: jsonschema>=2.6 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from nbformat->notebook>=5.6.0->jupyterthemes) (4.4.0)
Requirement already satisfied: attrs>=17.4.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from jsonschema>=2.6->nbformat->notebook>=5.6.0->jupyterthemes) (21.4.0)
Requirement already satisfied: pyrsistent!=0.17.0,!=0.17.1,!=0.17.2,>=0.14.0 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from jsonschema>=2.6->nbformat->notebook>=5.6.0->jupyterthemes) (0.18.0)
Requirement already satisfied: soupsieve>1.2 in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from beautifulsoup4->nbconvert->notebook>=5.6.0->jupyterthemes) (2.3.1)
Requirement already satisfied: webencodings in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from bleach->nbconvert->notebook>=5.6.0->jupyterthemes) (0.5.1)
Requirement already satisfied: executing in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from stack-data->ipython>=5.4.1->jupyterthemes) (0.8.3)
Requirement already satisfied: asttokens in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from stack-data->ipython>=5.4.1->jupyterthemes) (2.0.5)
Requirement already satisfied: pure-eval in /Users/lukavandenboomen/opt/anaconda3/lib/python3.9/site-packages (from stack-data->ipython>=5.4.1->jupyterthemes) (0.2.2)
Installing collected packages: ply, lesscpy, jupyterthemes
Successfully installed jupyterthemes-0.20.0 lesscpy-0.15.1 ply-3.11
Note: you may need to restart the kernel to use updated packages.
pip install upgrade jupyterthemes
!jt -l
Available Themes: 
   chesterish
   grade3
   gruvboxd
   gruvboxl
   monokai
   oceans16
   onedork
   solarizedd
   solarizedl
!jt -t monokai