fix socks dependency

debian/changelog

+monkeysign (2.2.1) unstable; urgency=medium
+
+  * fix socks dependency specification: it is a runtime, not just
+    build-time, dependency
+
+ --
+
 monkeysign (2.2.0) unstable; urgency=medium
 
   * fix tests with Debian CI

setup.py

@@ -33,7 +33,8 @@ setup(name='monkeysign',
       use_scm_version={
           'write_to': 'monkeysign/_version.py',
       },
-      setup_requires=['sphinx', 'setuptools_scm', 'pysocks'],
+      setup_requires=['sphinx', 'setuptools_scm'],
+      install_requieres=['pysocks'],
       author='Antoine Beaupré',
       author_email='anarcat@debian.org',
       url=monkeysign.__website__,