update tox to work with python

tox.ini

@@ -2,35 +2,40 @@
 envlist=
     python,
     flake8,
-    docs,
+    # docs,
 skipsdist=True
 
 [testenv:python]
-deps=
-    -r{toxinidir}/requirements.txt
+# deps=
+#     -r{toxinidir}/requirements.txt
 commands=
-    py.test . -v --cov coveralls --cov-report term-missing
+    poetry install -v
+    poetry run pytest . -v --cov coveralls --cov-report term-missing
 passenv=
     COVERALLS_REPO_TOKEN
     MODELICAPATH
 whitelist_externals=
     cp
+    poetry
 
 [testenv:precommit]
 basepython=python
-deps=
-    pre-commit
-    flake8
-    requests
-commands=pre-commit run --all-files
+# deps=
+#     pre-commit
+#     flake8
+#     requests
+commands=
+    poetry install -v
+    poetry run pre-commit run -a
 whitelist_externals=
     modelicafmt
+    poetry
 
-[testenv:docs]
-deps=
-    -r{toxinidir}/requirements.txt
-commands=
-    python setup.py build_sphinx
-whitelist_externals=
-    make
-    cp
+# [testenv:docs]
+# deps=
+#     -r{toxinidir}/requirements.txt
+# commands=
+#     python setup.py build_sphinx
+# whitelist_externals=
+#     make
+#     cp