Attempt #1 at unbreaking docs.

Signed-off-by: Laura <[email protected]>

.readthedocs.yml

@@ -1,13 +1,4 @@
-# RTD configuration
+## Read the docs config file.
 
-python:
-  # asyncqlio requires 3.5+
-  version: 3.5
-  # install with pip to get version number
-  pip_install: true
-  # install doc requirements
-  extra_requirements:
-    - docs
-    # install all backends for autodoc
-    - postgres
-    - mysql
+conda:
+    file: environment.yml

environment.yml

@@ -0,0 +1,28 @@
+name: py36
+
+# python 3.6
+channels:
+  - conda-forge
+
+dependencies:
+  - openssl
+  - pip
+  - setuptools
+  - python=3.6.2
+  - pynacl
+  - wheel
+  - zlib
+  - libffi
+  # requirements for rtd
+  - pip:
+    - sphinx
+    - sphinx-autodoc-typehints
+    - sphinxcontrib-asyncio
+    - guzzle_sphinx_theme
+    - asyncpg
+    - aiomysql
+    - PyMySQL
+    - cached_property
+    - asyncio_extras
+    - setuptools_scm
+    - pytest-runner