Fix issue with "IOError" in VSCode when processing a project

HISTORY.rst

@@ -10,6 +10,7 @@ PlatformIO 3.0
 * PIO Home
 * Fixed "Super-Quick (Mac / Linux)" installer script
   (`issue #1017 <https://github.com/platformio/platformio-core/issues/1017>`_)
+* Fixed issue with "IOError" in VSCode when processing a project
 
 3.4.1 (2017-08-02)
 ~~~~~~~~~~~~~~~~~~

platformio/managers/platform.py

@@ -15,6 +15,7 @@
 import base64
 import os
 import re
+import sys
 from imp import load_source
 from multiprocessing import cpu_count
 from os.path import basename, dirname, isdir, isfile, join
@@ -394,7 +395,10 @@ class PlatformRunMixin(object):
         fg = (None, "yellow", "red")[level - 1]
         if level == 1 and "is up to date" in line:
             fg = "green"
-        click.secho(line, fg=fg, err=level > 1)
+        try:
+            click.secho(line, fg=fg, err=level > 1)
+        except IOError:
+            (sys.stderr.write if level > 1 else sys.stdout.write)(line + "\n")
 
     @staticmethod
     def get_job_nums():