diff --git a/platformio/builder/tools/piomisc.py b/platformio/builder/tools/piomisc.py
index 5c3e414c..0719e498 100644
--- a/platformio/builder/tools/piomisc.py
+++ b/platformio/builder/tools/piomisc.py
@@ -23,7 +23,6 @@ from tempfile import mkstemp
 
 from SCons.Action import Action  # pylint: disable=import-error
 from SCons.Script import ARGUMENTS  # pylint: disable=import-error
-from SCons.Script import COMMAND_LINE_TARGETS  # pylint: disable=import-error
 
 from platformio import fs, util
 from platformio.compat import get_file_contents, glob_escape
@@ -295,17 +294,17 @@ def VerboseAction(_, act, actstr):
 
 def PioClean(env, clean_dir):
     if not isdir(clean_dir):
-        print("Build environment is clean")
+        print ("Build environment is clean")
         env.Exit(0)
     clean_rel_path = relpath(clean_dir)
     for root, _, files in walk(clean_dir):
         for f in files:
             dst = join(root, f)
             remove(dst)
-            print(
+            print (
                 "Removed %s" % (dst if clean_rel_path.startswith(".") else relpath(dst))
             )
-    print("Done cleaning")
+    print ("Done cleaning")
     fs.rmtree(clean_dir)
     env.Exit(0)
 
diff --git a/platformio/builder/tools/piosize.py b/platformio/builder/tools/piosize.py
index 12303747..7bb538c5 100644
--- a/platformio/builder/tools/piosize.py
+++ b/platformio/builder/tools/piosize.py
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import absolute_import
+
 import sys
 from os import environ
 from os.path import join