[py] minor, replace os.environ.get with os.getenv
diff --git a/src/check-includes.py b/src/check-includes.py
index d9219bf..88eaa2e 100755
--- a/src/check-includes.py
+++ b/src/check-includes.py
@@ -2,11 +2,11 @@
import sys, os, re
-os.chdir (os.environ.get ('srcdir', os.path.dirname (__file__)))
+os.chdir (os.getenv ('srcdir', os.path.dirname (__file__)))
-HBHEADERS = [os.path.basename (x) for x in os.environ.get ('HBHEADERS', '').split ()] or \
+HBHEADERS = [os.path.basename (x) for x in os.getenv ('HBHEADERS', '').split ()] or \
[x for x in os.listdir ('.') if x.startswith ('hb') and x.endswith ('.h')]
-HBSOURCES = [os.path.basename (x) for x in os.environ.get ('HBSOURCES', '').split ()] or \
+HBSOURCES = [os.path.basename (x) for x in os.getenv ('HBSOURCES', '').split ()] or \
[x for x in os.listdir ('.') if x.startswith ('hb') and x.endswith (('.cc', '.hh'))]
stat = 0
