fixed broken maps

pym/builder/builder.py

@@ -1338,13 +1338,12 @@ class Builder(Update):
                         path.basename(x) for x in removeList)
                     logger.info(removelist_str)
 
-                map(lambda x: os.unlink(x), 
-                    (pathJoin(pkgDir, x) for x in removeList))
+                [os.unlink(y) for y in (pathJoin(pkgDir, x) for x in removeList)]
 
-                # remove empty directories
-                map(lambda x: os.rmdir(x), (x for x in (path.join(pkgDir, y) for y 
-                    in os.listdir(pkgDir)) 
-                    if path.isdir(x) and not os.listdir(x)))
+                [os.rmdir(y) for y 
+                    in (path.join(pkgDir, x) for x 
+                        in os.listdir(pkgDir)) 
+                    if path.isdir(y) and not os.listdir(y)]
 
                 self.regenPackages(chrootPath, pkgDir[len(chrootPath):])
         except OSError as e:
@@ -1456,11 +1455,11 @@ class Builder(Update):
         digestfile = self._digest_file(isofile)
         try:
             with writeFile(digestfile) as f:
-                f.writelines(map(lambda x: template % {
+                f.writelines((template % {
                     'alg': x.upper(),
                     'digest':
                         process("%ssum" % x, isofile).read().partition(' ')[0],
-                    'filename': path.basename(isofile)}, ["md5", "sha1"]))
+                    'filename': path.basename(isofile)} for x in ["md5", "sha1"]))
         except (IOError, OSError):
             return False
         return True
@@ -1556,9 +1555,9 @@ class Builder(Update):
         devPath = path.join(directory, "dev")
         # clean dev
         for pathname, dirs, files in os.walk(devPath, topdown=False):
-            map(lambda x: os.unlink(path.join(pathname, x)), files)
-            map(lambda x: os.unlink(x) if path.islink(x) else os.rmdir(x),
-                (path.join(pathname, x) for x in dirs))
+            [os.unlink(path.join(pathname, x)) for x in files]
+            [os.unlink(x) if path.islink(x) else os.rmdir(x) for 
+                x in (path.join(pathname, x) for x in dirs)]
         for node, mode, dmode, major, minor in [
             ("console", 0o600, stat.S_IFCHR, 5, 1),
             ("tty1", 0o600, stat.S_IFCHR, 4, 1),