bug#36175: python@3.7.0

[Jeremiah]

Currently python@3.7.0 fails to build on low memory systems;
despite actually building successfully.

The diff required to disable the test is as follows:
diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 11f3aacf00..75afeba2a1 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -310,6 +310,8 @@ data types.")
                               ;; memory on some systems:
                               ;; <https://bugs.python.org/issue34587>
                               "Lib/test/test_socket.py"
+                              ;; Allow python to be built on lower memory 
systems
+                              "Lib/test/test_mmap.py"
 
                               ;; These tests fail on AArch64.
                               "Lib/ctypes/test/test_win32.py"