Adding back the python packages

requirements.txt

@@ -9,16 +9,16 @@ pyarrow
 cpymad
 pandarallel
 sphinx
-# sphinx-autobuild
+sphinx-autobuild
 pdoc3
 dask
 seaborn
 bokeh
 awkward
-# flake8
-# pytest
-# pytest-cov
-# ruamel.yaml
-# ipywidgets
-# sympy
-# h5py
+flake8
+pytest
+pytest-cov
+ruamel.yaml
+ipywidgets
+sympy
+h5py