diff -c a/setup.py b/setup.py
*** a/setup.py	2022-03-04 15:53:59.833416704 +0100
--- b/setup.py	2022-03-04 16:25:30.117462854 +0100
***************
*** 41,77 ****
  is_windows = __platform__ in ['Windows']
  
  requirements = [
!     "alembic >= 1.0.10, < 1.5",
      "gearbox >= 0.1.0, < 1",
!     "waitress >= 0.8.8, < 1.5",
      "WebOb >= 1.8, < 1.9",
      "backlash >= 0.1.2, < 1",
      "TurboGears2 >= 2.4, < 2.5",
      "tgext.routes >= 0.2.0, < 1",
      "Beaker >= 1.10.1, < 2",
!     "WebHelpers2 >= 2.0, < 2.1",
!     "FormEncode >= 1.3.1, < 1.4",
!     "SQLAlchemy >= 1.2.9, < 1.4",
      "Mako >= 0.9.1, < 1.2",
!     "Pygments >= 2.2.0, < 2.7",
      "Whoosh >= 2.7.1, < 2.8",
!     "celery >= 5, < 5.1",
!     "Babel >= 1.3, < 2.9",
      "python-dateutil >= 2.1.0, < 2.9",
!     "Markdown >= 2.2.1, < 3.2",
!     "docutils >= 0.11, < 0.17",
      "URLObject >= 2.3.4, < 2.5",
!     "Routes >= 2.0, < 2.5",
!     "dulwich >= 0.19.0, < 0.20",
!     "mercurial >= 5.2, < 5.9",
!     "decorator >= 4.2.1, < 4.5",
!     "Paste >= 2.0.3, < 3.5",
!     "bleach >= 3.0, < 3.1.4",
!     "Click >= 7.0, < 8",
      "ipaddr >= 2.2.0, < 2.3",
      "paginate >= 0.5, < 0.6",
      "paginate_sqlalchemy >= 0.3.0, < 0.4",
!     "bcrypt >= 3.1.0, < 3.2",
      "pip >= 20.0, < 999",
      "chardet >= 3",
  ]
--- 41,77 ----
  is_windows = __platform__ in ['Windows']
  
  requirements = [
!     "alembic >= 1.0.10",
      "gearbox >= 0.1.0, < 1",
!     "waitress >= 0.8.8",
      "WebOb >= 1.8, < 1.9",
      "backlash >= 0.1.2, < 1",
      "TurboGears2 >= 2.4, < 2.5",
      "tgext.routes >= 0.2.0, < 1",
      "Beaker >= 1.10.1, < 2",
!     "WebHelpers2 >= 2.0",
!     "FormEncode >= 1.3.1",
!     "SQLAlchemy >= 1.2.9",
      "Mako >= 0.9.1, < 1.2",
!     "Pygments >= 2.2.0",
      "Whoosh >= 2.7.1, < 2.8",
!     "celery >= 5",
!     "Babel >= 1.3",
      "python-dateutil >= 2.1.0, < 2.9",
!     "Markdown >= 2.2.1",
!     "docutils >= 0.11",
      "URLObject >= 2.3.4, < 2.5",
!     "Routes >= 2.0",
!     "dulwich >= 0.19.0",
!     "mercurial >= 5.2",
!     "decorator >= 4.2.1",
!     "Paste >= 2.0.3",
!     "bleach >= 3.0",
!     "Click >= 7.0",
      "ipaddr >= 2.2.0, < 2.3",
      "paginate >= 0.5, < 0.6",
      "paginate_sqlalchemy >= 0.3.0, < 0.4",
!     "bcrypt >= 3.1.0",
      "pip >= 20.0, < 999",
      "chardet >= 3",
  ]