Use requirements.txt

Author: nakamura-to

.readthedocs.yaml

@@ -18,6 +18,6 @@ sphinx:
 
 # We recommend specifying your dependencies to enable reproducible builds:
 # https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
-# python:
-#   install:
-#   - requirements: docs/requirements.txt
+python:
+  install:
+  - requirements: docs/requirements.txt

docs/requirements.txt

@@ -1,28 +1 @@
-alabaster==0.7.12
-argh==0.26.2
-Babel==2.9.1
-certifi==2018.11.29
-chardet==3.0.4
-docutils==0.14
-idna==2.8
-imagesize==1.1.0
-Jinja2==2.11.3
-livereload==2.6.0
-MarkupSafe==1.1.0
-packaging==18.0
-pathtools==0.1.2
-port-for==0.3.1
-Pygments==2.3.1
-pyparsing==2.3.0
-pytz==2018.7
-PyYAML==3.13
-requests==2.21.0
-six==1.12.0
-snowballstemmer==1.2.1
-Sphinx==1.8.2
-sphinx-autobuild==0.7.1
-sphinx-rtd-theme==0.4.2
-sphinxcontrib-websupport==1.1.0
-tornado==5.1.1
-urllib3==1.24.2
-watchdog==0.9.0
+sphinx-rtd-theme==2.0.0