pipdeptree

$pipdeptree
certifi==2020.4.5.1
ipykernel==5.3.0
  - appnope [required: Any, installed: 0.1.0]
  - ipython [required: >=5.0.0, installed: 7.14.0]
    - appnope [required: Any, installed: 0.1.0]
    - backcall [required: Any, installed: 0.1.0]
    - decorator [required: Any, installed: 4.4.2]
    - jedi [required: >=0.10, installed: 0.17.0]
      - parso [required: >=0.7.0, installed: 0.7.0]
    - pexpect [required: Any, installed: 4.8.0]
      - ptyprocess [required: >=0.5, installed: 0.6.0]
    - pickleshare [required: Any, installed: 0.7.5]
    - prompt-toolkit [required: >=2.0.0,<3.1.0,!=3.0.1,!=3.0.0, installed: 3.0.5]
      - wcwidth [required: Any, installed: 0.1.9]
    - pygments [required: Any, installed: 2.6.1]
    - setuptools [required: >=18.5, installed: 46.4.0.post20200518]
    - traitlets [required: >=4.2, installed: 4.3.3]
      - decorator [required: Any, installed: 4.4.2]
      - ipython-genutils [required: Any, installed: 0.2.0]
      - six [required: Any, installed: 1.15.0]
  - jupyter-client [required: Any, installed: 6.1.3]
    - jupyter-core [required: >=4.6.0, installed: 4.6.3]
      - traitlets [required: Any, installed: 4.3.3]
        - decorator [required: Any, installed: 4.4.2]
        - ipython-genutils [required: Any, installed: 0.2.0]
        - six [required: Any, installed: 1.15.0]
    - python-dateutil [required: >=2.1, installed: 2.8.1]
      - six [required: >=1.5, installed: 1.15.0]
    - pyzmq [required: >=13, installed: 19.0.1]
    - tornado [required: >=4.1, installed: 6.0.4]
    - traitlets [required: Any, installed: 4.3.3]
      - decorator [required: Any, installed: 4.4.2]
      - ipython-genutils [required: Any, installed: 0.2.0]
      - six [required: Any, installed: 1.15.0]
  - tornado [required: >=4.2, installed: 6.0.4]
  - traitlets [required: >=4.1.0, installed: 4.3.3]
    - decorator [required: Any, installed: 4.4.2]
    - ipython-genutils [required: Any, installed: 0.2.0]
    - six [required: Any, installed: 1.15.0]
pipdeptree==0.13.2
  - pip [required: >=6.0.0, installed: 20.1.1]
wheel==0.34.2