Drop SPARQLWrapper from the required install inputs under Python 2, as it
creates a circular dependency.

diff -u rdflib-4.1.2.alt/setup.py rdflib-4.1.2/setup.py
--- rdflib-4.1.2.alt/setup.py	2014-03-04 12:40:26.000000000 +0100
+++ rdflib-4.1.2/setup.py	2015-01-23 21:52:59.000000000 +0100
@@ -52,7 +52,7 @@
         kwargs['test_suite'] = "nose.collector"
         kwargs['install_requires'] = [
             'isodate',
-            'pyparsing', 'SPARQLWrapper']
+            'pyparsing']
 
         if sys.version_info[1]<7:  # Python 2.6
             kwargs['install_requires'].append('ordereddict')

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<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<div class='path'>path: <a href='/guix/log/?id=8da6dfb0bbb00c330bfa053741f5a58b66219463'>root</a>/<a href='/guix/log/gnu?id=8da6dfb0bbb00c330bfa053741f5a58b66219463'>gnu</a>/<a href='/guix/log/gnu/installer?id=8da6dfb0bbb00c330bfa053741f5a58b66219463'>installer</a>/<a href='/guix/log/gnu/installer/substitutes.scm?id=8da6dfb0bbb00c330bfa053741f5a58b66219463'>substitutes.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/installer/substitutes.scm?id=8da6dfb0bbb00c330bfa053741f5a58b66219463&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-12-11 21:37:07 +0100'>2020-12-11</span></td><td><a href='/guix/commit/gnu/installer/substitutes.scm?id=8361817bf693742757b096468198626f297bb09e'>install: Discover local substitute servers.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/substitutes.scm: New file.
* gnu/installer/newt/substitutes.scm: New file.
* gnu/local.mk (INSTALLER_MODULES): Add them.
* po/guix/POTFILES.in: Add gnu/installer/newt/substitutes.scm.
* gnu/installer/proxy.scm (with-silent-shepherd): Move to ...
* gnu/installer/utils.scm: ... here.
* gnu/installer/record.scm (&lt;installer&gt;)[substitutes-page]: New field.
* gnu/installer/newt.scm (substitutes-page): New procedure,
(newt-installer): register it.
* gnu/installer.scm (installer-steps): Add "substitutes-page" step.
* gnu/system/install.scm (%installation-services): Add avahi-service-type and
enable substitute server discover in guix-service-type.
[&lt;name-service-switch&gt;]: Set it to %mdns-host-lookup-nss.
</span></span></td><td>Mathieu Othacehe</td></tr>