<jupyter_start><jupyter_text>Update environment We use [graphviz](https://graphviz.gitlab.io/download/) to draw schemas.- Using conda, this seems to solve the `dot not found` exception.<jupyter_code>!conda install python-graphviz<jupyter_output>Solving environment: done

# All requested packages already installed.<jupyter_text>- Update pip<jupyter_code>!pip install --upgrade pip<jupyter_output>Requirement already up-to-date: pip in /anaconda/lib/python3.6/site-packages<jupyter_text>- The python [PROV](https://pypi.python.org/pypi/prov) library is an implementation of the [Provenance Data Model](http://www.w3.org/TR/prov-dm/) by the World Wide Web Consortium. A tutorial can be found [here](http://nbviewer.jupyter.org/github/trungdong/notebooks/blob/master/PROV%20Tutorial.ipynb).<jupyter_code>!pip install prov<jupyter_output>Requirement already satisfied: prov in /anaconda/lib/python3.6/site-packages
Requirement already satisfied: rdflib>=4.2.1 in /anaconda/lib/python3.6/site-packages (from prov)
Requirement already satisfied: networkx>=2.0 in /anaconda/lib/python3.6/site-packages (from prov)
Requirement already satisfied: six>=1.9.0 in /anaconda/lib/python3.6/site-packages (from prov)
Requirement already satisfied: python-dateutil>=2.2 in /anaconda/lib/python3.6/site-packages (from prov)
Requirement already satisfied: lxml>=3.3.5 in /anaconda/lib/python3.6/site-packages (from prov)
Requirement already satisfied: isodate in /anaconda/lib/python3.6/site-packages (from rdflib>=4.2.1->prov)
Requirement already satisfied: pyparsing in /anaconda/lib/python3.6/site-packages (from rdflib>=4.2.1->prov)
Requirement already satisfied: decorator>=4.1.0 in /anaconda/lib/python3.6/site-packages (from networkx>=2.0->prov)<jupyter_text>- A Python interface to GraphViz and the DOT language: [dot](https://pypi.python.org/pypi/pydot).<jupyter_code>!pip install pydot<jupyter_output>Requirement already satisfied: pydot in /anaconda/lib/python3.6/site-packages
Requirement already satisfied: pyparsing>=2.1.4 in /anaconda/lib/python3.6/site-packages (from pydot)<jupyter_text>- Just to make sure: [graphviz](https://pypi.python.org/pypi/graphviz) once again<jupyter_code>!pip install graphviz<jupyter_output>Requirement already satisfied: graphviz in /anaconda/lib/python3.6/site-packages
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