fix sphinx-rtd-theme conda name

bollwyvl · bollwyvl · commit a40feb34d98b · 2021-02-22T11:40:38.000-05:00
diff --git a/.binder/environment.yml b/.binder/environment.yml
@@ -33,4 +33,4 @@ dependencies:
   - nbsphinx >=0.2.13
   - nbsphinx-link
   - sphinx >=1.5
-  - sphinx-rtd-theme
+  - sphinx_rtd_theme
