Fixing disappeared TSDB and PyGrinder (#213)

* fix: disappeared TSDB and PyGrinder;

.readthedocs.yaml

@@ -19,16 +19,10 @@ build:
       python: "3.10"
 
    jobs:
-      post_checkout:
-         - git clone https://github.com/WenjieDu/TSDB TSDB_repo --depth 1
-         - mv TSDB_repo/tsdb .&& rm -rf TSDB_repo
-         - git clone https://github.com/WenjieDu/PyGrinder PyGrinder_repo --depth 1
-         - mv PyGrinder_repo/pygrinder .&& rm -rf PyGrinder_repo
-
       pre_install:
          - python -m pip install --upgrade pip
          - pip install torch==1.13.1 -f https://download.pytorch.org/whl/cpu
-         - pip install torch-geometric torch-scatter torch-sparse -f "https://data.pyg.org/whl/torch-1.13.1+cpu.html"
+         - pip install torch-geometric==2.3.1 torch-scatter==2.1.1 torch-sparse==0.6.17 -f "https://data.pyg.org/whl/torch-1.13.1+cpu.html"
          - pip install pypots
          - pip install sphinx==6.2.1 docutils==0.19 sphinxcontrib-bibtex==2.1.4 sphinxcontrib-gtagjs sphinx-autodoc-typehints furo==2023.07.26