Issue 2401: Fix usage of comparison with None, patch from Jared Grubb

2 files changed, 4 insertions, 4 deletions

diff --git a/src/engine/SCons/Platform/posix.py b/src/engine/SCons/Platform/posix.py
index f18569f..d1102b3 100644
--- a/src/engine/SCons/Platform/posix.py
+++ b/src/engine/SCons/Platform/posix.py
@@ -116,7 +116,7 @@ def process_cmd_output(cmd_stdout, cmd_stderr, stdout, stderr):
                 str = cmd_stdout.read()
                 if len(str) == 0:
                     stdout_eof = 1
-                elif stdout != None:
+                elif stdout is not None:
                     stdout.write(str)
             if cmd_stderr in i:
                 str = cmd_stderr.read()
diff --git a/src/engine/SCons/Platform/win32.py b/src/engine/SCons/Platform/win32.py
index fb23d5d..1dc7f3c 100644
--- a/src/engine/SCons/Platform/win32.py
+++ b/src/engine/SCons/Platform/win32.py
@@ -134,18 +134,18 @@ def piped_spawn(sh, escape, cmd, args, env, stdout, stderr):
                 ret = exitvalmap[e[0]]
             except KeyError:
                 sys.stderr.write("scons: unknown OSError exception code %d - %s: %s\n" % (e[0], cmd, e[1]))
-            if stderr != None:
+            if stderr is not None:
                 stderr.write("scons: %s: %s\n" % (cmd, e[1]))
         # copy child output from tempfiles to our streams
         # and do clean up stuff
-        if stdout != None and stdoutRedirected == 0:
+        if stdout is not None and stdoutRedirected == 0:
             try:
                 stdout.write(open( tmpFileStdout, "r" ).read())
                 os.remove( tmpFileStdout )
             except (IOError, OSError):
                 pass
 
-        if stderr != None and stderrRedirected == 0:
+        if stderr is not None and stderrRedirected == 0:
             try:
                 stderr.write(open( tmpFileStderr, "r" ).read())
                 os.remove( tmpFileStderr )