--- a
+++ b/tox.ini
@@ -0,0 +1,16 @@
+[tox]
+envlist = py37,py38,py39,py310
+requires = tox-conda
+
+[testenv]
+setenv =
+    CONDA_DLL_SEARCH_MODIFICATION_ENABLE = 1
+whitelist_externals = python
+
+[testenv:py{37,38,39,310}]
+conda_deps =
+    pytest
+    rdkit
+conda_channels =
+    conda-forge
+commands = pytest --basetemp="{envtmpdir}" {posargs}