replaced tabs with 4 spaces in all python files

PEP 8 (Style Guide for Python Code) suggests the use of 4 spaces:
http://www.python.org/dev/peps/pep-0008/#indentation

If you need to use tools like "git blame", you can use the -w option to
ignore this commit entirely.  Patches will continue to work if you
substitute tabs with 4 spaces everywhere except in the Makefile.

2 files changed, 13 insertions, 13 deletions

diff --git a/doc/print_colors.py b/doc/print_colors.py
index c3508fa6..ce040b33 100755
--- a/doc/print_colors.py
+++ b/doc/print_colors.py
@@ -9,15 +9,15 @@ from curses import *
 
 @wrapper
 def main(win):
-	def print_all_colors(attr):
-		for c in range(0, curses.COLORS):
-			init_pair(c, c, -1)
-			win.addstr(str(c) + ' ', color_pair(c) | attr)
-	use_default_colors()
-	win.addstr("available colors: %d\n\n" % curses.COLORS)
-	print_all_colors(0)
-	win.addstr("\n\n")
-	print_all_colors(A_BOLD)
-	win.refresh()
-	win.getch()
+    def print_all_colors(attr):
+        for c in range(0, curses.COLORS):
+            init_pair(c, c, -1)
+            win.addstr(str(c) + ' ', color_pair(c) | attr)
+    use_default_colors()
+    win.addstr("available colors: %d\n\n" % curses.COLORS)
+    print_all_colors(0)
+    win.addstr("\n\n")
+    print_all_colors(A_BOLD)
+    win.refresh()
+    win.getch()
 
diff --git a/doc/print_keys.py b/doc/print_keys.py
index f87a2a40..17d2513b 100755
--- a/doc/print_keys.py
+++ b/doc/print_keys.py
@@ -9,6 +9,6 @@ sep = '; '
 
 @wrapper
 def main(w):
-	while True:
-		w.addstr(str(w.getch()) + sep)
+    while True:
+        w.addstr(str(w.getch()) + sep)