Make PeachPy processes deterministic:

  https://github.com/Maratyszcza/PeachPy/issues/88
  https://issues.guix.gnu.org/50672

diff --git a/peachpy/name.py b/peachpy/name.py
index b6a03dc..412079d 100644
--- a/peachpy/name.py
+++ b/peachpy/name.py
@@ -86,13 +86,13 @@ def add_scoped_name(self, scoped_name):
                 self.names[scope_name.name] = scope
         else:
             assert scope_name.name is None
-            self.prenames.setdefault(scope_name.prename, set())
+            self.prenames.setdefault(scope_name.prename, {})
             if subscoped_name:
                 for subscope in iter(self.prenames[scope_name.prename]):
                     if isinstance(subscope, Namespace) and subscope.scope_name is scope_name:
                         subscope.add_scoped_name(subscoped_name)
                         return
-            self.prenames[scope_name.prename].add(scope)
+            self.prenames[scope_name.prename][scope] = None
 
     def assign_names(self):
         # Step 1: assign names to symbols with prenames with no conflicts
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<div class='path'>path: <a href='/guix/log/?id=bdc72d7590f9b19b4a1d30ae08c31ca68440fbde'>root</a>/<a href='/guix/log/tests?id=bdc72d7590f9b19b4a1d30ae08c31ca68440fbde'>tests</a>/<a href='/guix/log/tests/egg.scm?id=bdc72d7590f9b19b4a1d30ae08c31ca68440fbde'>egg.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/tests/egg.scm?id=bdc72d7590f9b19b4a1d30ae08c31ca68440fbde&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-04-15 22:36:42 +0200'>2024-04-15</span></td><td><a href='/guix/commit/tests/egg.scm?id=54be7795b5cc2f6cad05f8649121372c9d5af806'>utils: Don’t re-export ‘call-with-temporary-output-file’.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/utils.scm: Remove re-export of ‘call-with-temporary-output-file’.
Autoload a number of modules.
* guix/download.scm, guix/import/hackage.scm,
guix/import/hexpm.scm, guix/import/opam.scm,
guix/import/pypi.scm, tests/cpio.scm, tests/egg.scm,
tests/opam.scm, tests/publish.scm, tests/store-database.scm,
tests/utils.scm: Adjust imports accordingly.

Change-Id: I3f5e94631397996a30be2ea4ff8b50a3371e8ee7
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-11-17 23:43:14 +0100'>2021-11-17</span></td><td><a href='/guix/commit/tests/egg.scm?id=3a317f7476f8c6012e166ff9f340f861938721c9'>Merge branch 'master' into core-updates-frozen</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-11-14 00:10:58 +0100'>2021-11-14</span></td><td><a href='/guix/commit/tests/egg.scm?id=114005bea61efcd5f7d768e2d6503e873f654c16'>tests: Adjust tests/egg.scm to latest API changes.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to b999c80c2e71bd4b3f26a18a321b7e7e7b580103.

* tests/egg.scm (eval-test-with-egg-file): Pass 'version' argument to
'egg-&gt;guix-package'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-07-20 23:43:29 +0200'>2021-07-20</span></td><td><a href='/guix/commit/tests/egg.scm?id=5b6285518be6e4f588f688dadf70eacf4614b797'>import: egg: Emit new-style package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/egg.scm (egg-&gt;guix-package): Generate dependency list from
a list of symbols.
[egg-parse-dependency]: Return a list of symbols.
[maybe-inputs]: Wrap INPUTS in 'list' instead of 'quasiquote'.
* tests/egg.scm (match-chicken-foo): Adjust accordingly.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Sarah Morgensen</td></tr>
<tr><td><span title='2021-06-03 13:05:18 +0200'>2021-06-03</span></td><td><a href='/guix/commit/tests/egg.scm?id=bdc298ecee15283451d3aa20a849dd7bb22c8538'>import: Add CHICKEN egg importer.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/egg.scm: New file.
* guix/scripts/import/egg.scm: New file.
* tests/egg.scm: New file.
* Makefile.am (MODULES, SCM_TESTS): Register them.
* po/guix/POTFILES.in: Likewise.
* guix/scripts/import.scm (importers): Add egg importer.
* doc/guix.texi (Invoking guix import, Invoking guix refresh): Document it.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Xinglu Chen</td></tr>