Update .readthedocs.yml

.readthedocs.yml

@@ -3,22 +3,21 @@
 # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
 
 # Required
-version: 1.0
+version: 1
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
-  configuration: docs/conf.py
+  configuration: source/conf.py
 
 # Build documentation with MkDocs
 #mkdocs:
-#  configuration: mkdocs.yml
+# configuration: mkdocs.yml
 
-# Optionally build your docs in additional formats such as PDF
-formats:
-  - pdf
+# Optionally build your docs in additional formats such as PDF and ePub
+formats: all
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-  version: 3.7
+  version: 3.8
   install:
-    - requirements: docs/requirements.txt
+    - requirements: requirements.txt