Require setuptools, rdflib/plugins/sparql/__init__.py and rdflib/plugin.py import pkg_resources
@@ -5,7 +5,7 @@ import re
from setuptools import setup, find_packages
kwargs = {}
-kwargs["install_requires"] = ["isodate", "pyparsing"]
+kwargs["install_requires"] = ["isodate", "pyparsing", "setuptools"]
kwargs["tests_require"] = [
"html5lib",
"networkx",
