Add badge to display stable torch compatibility (#400)

* Add badge to display stable torch compatibility

* more

* more

* don't run on PR

* nl

.github/workflows/stable-torch.yml

+name: stable-torch
+
+on:
+  push:
+    branches:
+      - master
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.7]
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Fetch submodules
+      run: git submodule update --init
+    - name: Install dependencies
+      run: |
+        pip install --upgrade pip
+        pip install torch pytest
+        pip install -r test_requirements.txt
+        pip install .
+    - name: Download data files
+      run: ./download.sh
+    - name: Run tests
+      run: pytest

README.md

@@ -21,6 +21,11 @@ Deploy:
 [![Actions Status](https://github.com/aiqm/torchani/workflows/deploy-docs/badge.svg)](https://github.com/aiqm/torchani/actions)
 [![Actions Status](https://github.com/aiqm/torchani/workflows/deploy-pypi/badge.svg)](https://github.com/aiqm/torchani/actions)
 
+We only provide compatibility with nightly PyTorch, but you can check if stable PyTorch happens to be supported by looking at the following badge:
+
+[![Actions Status](https://github.com/aiqm/torchani/workflows/stable-torch/badge.svg)](https://github.com/aiqm/torchani/actions)
+
+
 TorchANI is a pytorch implementation of ANI. It is currently under alpha release, which means, the API is not stable yet. If you find a bug of TorchANI, or have some feature request, feel free to open an issue on GitHub, or send us a pull request.
 
 <img src=https://raw.githubusercontent.com/aiqm/torchani/master/logo2.png width=500/>

ci/install_dependencies.sh

 #!/bin/bash
 
-python -m pip install --upgrade pip
+pip install --upgrade pip
 pip install --pre torch torchvision -f https://download.pytorch.org/whl/nightly/cpu/torch_nightly.html
-pip install tqdm pyyaml future pkbar ase
+pip install -r test_requirements.txt

test_requirements.txt

@@ -4,3 +4,4 @@ ase
 h5py
 pillow
 pkbar
+pyyaml