fix: patching pypy venv (#502)

Potentially revert / remove on release of PyPy 7.3.4.

* patching linux and macos

* try test

* add patch files for pypy2.7

* fix installing

* Combine patch files into one

* Simplify further, and add test to remind ourselves to remove the PyPy patch

* ignore fail of patch on linux

make new test failing only on linux

* fix test

* add timeout

* fix patch on linux

* change `-N` to `--force`

Co-authored-by: Yannick Jadoul <yannick.jadoul@belgacom.net>

test/test_testing.py

@@ -64,6 +64,10 @@ class TestSpam(TestCase):
         bits = struct.calcsize("P") * 8
         if bits == 32:
             self.assertEqual(platform.machine(), "i686")
+
+    def test_time_to_remove_the_pypy_venv_patch(self):
+        if sys.platform == "darwin":
+            assert not hasattr(sys, "pypy_version_info") or sys.pypy_version_info < (7,3,4)
 '''