--- a/sat/tools/common/ansi.py	Wed Jun 27 07:51:29 2018 +0200
+++ b/sat/tools/common/ansi.py	Wed Jun 27 20:14:46 2018 +0200
@@ -19,15 +19,18 @@
 
 import sys
 
+
 class ANSI(object):
 
     ## ANSI escape sequences ##
-    RESET = '\033[0m'
-    NORMAL_WEIGHT = '\033[22m'
-    FG_BLACK, FG_RED, FG_GREEN, FG_YELLOW, FG_BLUE, FG_MAGENTA, FG_CYAN, FG_WHITE = ('\033[3%dm' % nb for nb in xrange(8))
-    BOLD = '\033[1m'
-    BLINK = '\033[5m'
-    BLINK_OFF = '\033[25m'
+    RESET = "\033[0m"
+    NORMAL_WEIGHT = "\033[22m"
+    FG_BLACK, FG_RED, FG_GREEN, FG_YELLOW, FG_BLUE, FG_MAGENTA, FG_CYAN, FG_WHITE = (
+        "\033[3%dm" % nb for nb in xrange(8)
+    )
+    BOLD = "\033[1m"
+    BLINK = "\033[5m"
+    BLINK_OFF = "\033[25m"
 
     @classmethod
     def color(cls, *args):
@@ -39,16 +42,19 @@
         if args[-1] != cls.RESET:
             args = list(args)
             args.append(cls.RESET)
-        return u''.join(args)
+        return u"".join(args)
 
 
 try:
     tty = sys.stdout.isatty()
-except (AttributeError, TypeError):  # FIXME: TypeError is here for Pyjamas, need to be removed
+except (
+    AttributeError,
+    TypeError,
+):  # FIXME: TypeError is here for Pyjamas, need to be removed
     tty = False
 if not tty:
-    # we don't want ANSI escape codes if we are not outputing to a tty!
+    #  we don't want ANSI escape codes if we are not outputing to a tty!
     for attr in dir(ANSI):
         if isinstance(getattr(ANSI, attr), basestring):
-            setattr(ANSI, attr, u'')
+            setattr(ANSI, attr, u"")
 del tty