[U-Boot] [PATCH v3] tools: genboardscfg.py, no exception if columns undetectable

[Roger Meier]

The existing terminalsize detection raised an exception on build
server. Just removes the exception. This also deactivates the
progress indicator.

Remove a trainling whitespace.

Signed-off-by: Roger Meier <roger at bufferoverflow.ch>
CC: Masahiro Yamada <yamada.m at jp.panasonic.com>
CC: Tom Rini <trini at ti.com>
---
Changes for v2:
   - use 24 instead of 25 lines
Changes for v3:
   - return integer with 0 columns instead of tuple,
     this also deactivates the progress indicator
---
 tools/genboardscfg.py |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/genboardscfg.py b/tools/genboardscfg.py
index 734d90b..cd9e69c 100755
--- a/tools/genboardscfg.py
+++ b/tools/genboardscfg.py
@@ -58,8 +58,6 @@ def get_terminal_columns():
         try:
             ret = fcntl.ioctl(sys.stdout.fileno(), termios.TIOCGWINSZ, arg)
         except IOError as exception:
-            if exception.errno != errno.ENOTTY:
-                raise
             # If 'Inappropriate ioctl for device' error occurs,
             # stdout is probably redirected. Return 0.
             return 0
@@ -408,7 +406,7 @@ def __gen_boards_cfg(jobs):
       jobs: The number of jobs to run simultaneously
 
     Note:
-      The incomplete boards.cfg is left over when an error (including 
+      The incomplete boards.cfg is left over when an error (including
       the termination by the keyboard interrupt) occurs on the halfway.
     """
     check_top_directory()
-- 
1.7.10.4