Constrain versions of sphinxcontrib packages

Author: sebp

environment.yml

@@ -9,6 +9,11 @@ dependencies:
  - pillow
  - pip
  - sphinx<4
+ - sphinxcontrib_applehelp<1.0.5
+ - sphinxcontrib_devhelp<1.0.3
+ - sphinxcontrib_htmlhelp<2.0.2
+ - sphinxcontrib_qthelp<1.0.4
+ - sphinxcontrib_serializinghtml<1.1.6
  - sphinx_rtd_theme<2
  - pip:
  - sphinx-intl

requirements.txt

@@ -1,5 +1,10 @@
 Sphinx<4
 sphinx-autobuild
+sphinxcontrib-applehelp <1.0.5
+sphinxcontrib-devhelp <1.0.3
+sphinxcontrib-htmlhelp <2.0.2
+sphinxcontrib-qthelp <1.0.4
+sphinxcontrib-serializinghtml <1.1.6
 sphinx-rtd-theme <2
 sphinx-intl
 Jinja2 <3.1.0