docs: fix readthedos build issue

Issue #1021

.readthedocs.yaml

@@ -17,7 +17,7 @@ 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: dev/docs/requirements.txt
 

dev/docs/requirements.txt

@@ -0,0 +1,3 @@
+sphinx-bootstrap-theme
+sphinx_rtd_theme
+

dev/docs/source/conf.py

@@ -15,10 +15,10 @@
 pygments_style = 'sphinx'
 intersphinx_mapping = {'python': ('https://docs.python.org/3', None)}
 
-sys.path.append(os.path.abspath('_themes'))
-html_theme_path = ['_themes']
-html_theme = 'bootstrap'
-html_theme_options = {'nosidebar': True}
+#sys.path.append(os.path.abspath('_themes'))
+#html_theme_path = ['_themes']
+html_theme = 'sphinx_rtd_theme'
+#html_theme_options = {'nosidebar': True}
 html_title = "XlsxWriter Documentation"
 html_static_path = ['_static']
 html_show_sphinx = True
@@ -60,6 +60,6 @@
 
 linkcheck_ignore = ["https://www.paypal.com"]
 
-extlinks = {'issue': ('https://github.com/jmcnamara/XlsxWriter/issues/%s', 'Issue #'),
-            'feature': ('https://github.com/jmcnamara/XlsxWriter/issues/%s', 'Feature Request #'),
-            'pull': ('https://github.com/jmcnamara/XlsxWriter/pull/%s', 'Pull Request #')}
+extlinks = {'issue': ('https://github.com/jmcnamara/XlsxWriter/issues/%s', 'Issue %s'),
+            'feature': ('https://github.com/jmcnamara/XlsxWriter/issues/%s', 'Feature Request %s'),
+            'pull': ('https://github.com/jmcnamara/XlsxWriter/pull/%s', 'Pull Request %s')}