Update .readthedocs.yml

.readthedocs.yml

@@ -7,17 +7,18 @@ version: 1.0
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
-  configuration: source/conf.py
+  configuration: docs/conf.py
 
 # Build documentation with MkDocs
 #mkdocs:
-# configuration: mkdocs.yml
+#  configuration: mkdocs.yml
 
-# Optionally build your docs in additional formats such as PDF and ePub
-formats: [PDF,ePub]
+# Optionally build your docs in additional formats such as PDF
+formats:
+  - pdf
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
   version: 3.7
   install:
-    - requirements: requirements.txt
+    - requirements: docs/requirements.txt