diff --git a/Lib/distutils/spawn.py b/Lib/distutils/spawn.py
index d9cf950a9b0..22e87e8fdb9 100644
--- a/Lib/distutils/spawn.py
+++ b/Lib/distutils/spawn.py
@@ -36,8 +36,6 @@ def spawn(cmd, search_path=1, verbose=0, dry_run=0):
         _spawn_posix(cmd, search_path, dry_run=dry_run)
     elif os.name == 'nt':
         _spawn_nt(cmd, search_path, dry_run=dry_run)
-    elif os.name == 'os2':
-        _spawn_os2(cmd, search_path, dry_run=dry_run)
     else:
         raise DistutilsPlatformError(
               "don't know how to spawn programs on platform '%s'" % os.name)
diff --git a/Lib/ftplib.py b/Lib/ftplib.py
index 2cc470258e1..c83be2b3195 100644
--- a/Lib/ftplib.py
+++ b/Lib/ftplib.py
@@ -320,7 +320,6 @@ class FTP:
                 raise err
             else:
                 raise OSError("getaddrinfo returns an empty list")
-            raise OSError(msg)
         sock.listen(1)
         port = sock.getsockname()[1] # Get proper port
         host = self.sock.getsockname()[0] # Get proper host
diff --git a/Lib/multiprocessing/connection.py b/Lib/multiprocessing/connection.py
index 09ec4fc22a3..9b11a695990 100644
--- a/Lib/multiprocessing/connection.py
+++ b/Lib/multiprocessing/connection.py
@@ -29,7 +29,7 @@ from .reduction import ForkingPickler
 
 try:
     import _winapi
-    from _winapi import WAIT_OBJECT_0, WAIT_TIMEOUT, INFINITE
+    from _winapi import WAIT_OBJECT_0, WAIT_ABANDONED_0, WAIT_TIMEOUT, INFINITE
 except ImportError:
     if sys.platform == 'win32':
         raise
diff --git a/Lib/tempfile.py b/Lib/tempfile.py
index 05d4cabe606..57e8a829ec0 100644
--- a/Lib/tempfile.py
+++ b/Lib/tempfile.py
@@ -72,7 +72,7 @@ else:
     # file doesn't exist.
     def _stat(fn):
         fd = _os.open(fn, _os.O_RDONLY)
-        os.close(fd)
+        _os.close(fd)
 
 def _exists(fn):
     try: