base.bbclass: Remove redundant import of subprocess and signal.

Signed-off-by: Khem Raj <raj.khem@gmail.com>

diff --git a/classes/base.bbclass b/classes/base.bbclass
index 4e9b65c..a350b38 100644 (file)
--- a/classes/base.bbclass
+++ b/classes/base.bbclass
@@ -729,13 +729,13 @@ base_do_buildall() {
 }
 
 def subprocess_setup():
-       import signal, subprocess
+       import signal
        # Python installs a SIGPIPE handler by default. This is usually not what
        # non-Python subprocesses expect.
        signal.signal(signal.SIGPIPE, signal.SIG_DFL)
 
 def oe_unpack_file(file, data, url = None):
-       import bb, os, signal, subprocess
+       import bb, os, subprocess
        if not url:
                url = "file://%s" % file
        dots = file.split(".")