+BuildRequires: python3-devel >= 1:3.4
+BuildRequires: python3-setuptools
+%if %{with tests}
+BuildRequires: python3-pytest
+%endif
+%endif
+%if %{with doc}
+BuildRequires: python3-pallets-sphinx-themes >= 1.1.0
+# docs/requirements.txt says 1.8.0, but 1.7.6 also works
+#BuildRequires: sphinx-pdg-3 >= 1.8.0
+BuildRequires: sphinx-pdg-3 >= 1.7.0