Add doc config, update setup for auto-doc

.readthedocs.yml

@@ -0,0 +1,20 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+
+formats:
+  - pdf
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: 3.6
+  install:
+    - method: pip
+    - path: .

setup.py

@@ -1,24 +1,3 @@
-try:
-    import torch
-except ModuleNotFoundError:
-    raise ModuleNotFoundError(
-        "PyTorch not installed. "
-        "Please appropriately install PyTorch, "
-        "see https://pytorch.org/ for installation."
-    )
-try:
-    import torch_scatter
-    import torch_sparse
-    import torch_cluster
-    import torch_spline_conv
-    import torch_geometric
-except ModuleNotFoundError:
-    raise ModuleNotFoundError(
-        "PyTorch-Geometric not fully installed. "
-        "Please appropriately install PyTorch-Geometric, "
-        "see https://pytorch-geometric.readthedocs.io/en/latest/notes/installation.html for installation."
-    )
-
 from setuptools import setup, find_packages
 
 with open("README.md", 'r') as fh: