Add copy code button

doc/conf.py

@@ -13,6 +13,7 @@ extensions = [
     "sphinx.ext.autodoc",
     "sphinx.ext.todo",
     "sphinx.ext.doctest",
+    "sphinx_copybutton",
     "sphinx.ext.napoleon",
     "sphinx.ext.linkcode",
     "sphinx.ext.mathjax",

doc/environment.yml

@@ -13,7 +13,9 @@ dependencies:
   - mock
   - pillow
   - pymc-sphinx-theme
+  - sphinx-copybutton
   - sphinx-design
+  - sphinx-sitemap
   - pygments
   - pydot
   - ipython
@@ -23,5 +25,4 @@ dependencies:
   - ablog
   - pip
   - pip:
-    - sphinx_sitemap
     - -e ..