FIx #620 Various Python 3.13 fixes (#621)

Author: robnagler

pykern/api/client.py

@@ -253,7 +253,7 @@ def destroy(self):
         self._destroyed = True
         self._client.remove_call(self._call_id)
         if x := getattr(self._reply_q, "shutdown", None):
-            x.shutdown(immediate=True)
+            x(immediate=True)
         else:
             # Inferior to shutdown, but necessary pre-Python 3.13
             self._reply_q.put_nowait(None)

pykern/pkcli/__init__.py

@@ -7,7 +7,7 @@
 
 The basic form is: <project> <simple-module> <function>. <simple-module>
 is the module without `<root_pkg>.pkcli`.  <function> is any function
-that begins with a letter and contains word characters (\w).
+that begins with a letter and contains word characters.
 
 If the module only has one public function named default_command,
 the form is: <project> <simple-module>.

tests/pkcli/test2_data/1.in/coroutine_test.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Force a coroutine never awaited warning
 
 :copyright: Copyright (c) 2023 RadiaSoft LLC.  All Rights Reserved.
@@ -7,9 +6,11 @@
 
 
 def test_coroutine_never_awaited():
+    from pykern import pkdebug
     import asyncio
 
     async def coroutine():
         asyncio.sleep(0)
 
+    pkdebug.pkdlog("expect 'RuntimeWarning: coroutine 'sleep' was never awaited'")
     asyncio.run(coroutine())

tests/sql_db_test.py

@@ -127,7 +127,7 @@ def _validate_schema(meta):
     t = []
     i = []
     for l in re.split(
-        "\s*\n\s*",
+        r"\s*\n\s*",
         # Assumes in same directory
         subprocess.check_output(["sqlite3", _PATH, ".schema"], text=True),
     ):