pygobject.patch

--- setup.py	2020-05-06 16:24:31.000000000 +0000
+++ setup2.py	2020-10-09 13:23:23.000000000 +0000
@@ -1234,9 +1234,7 @@
             define_macros=[("PY_SSIZE_T_CLEAN", None)],
         )
         ext_modules.append(gi_cairo_ext)
-        install_requires.append(
-            "pycairo>=%s" % get_version_requirement(
-                get_pycairo_pkg_config_name()))
+        install_requires.append("pycairo")

     version = pkginfo["Version"]
     if is_dev_version():