tools: Fix UTF decode error
@@ -42,7 +42,7 @@ def get_make_variables(path, makefile="Makefile", expected_failure=False, variab
result = {}
BUILT_IN_VARS = set(["MAKEFILE_LIST", "SHELL", "CURDIR", "MAKEFLAGS"])
- for line in output.decode().split("\n"):
+ for line in output.decode('utf-8').split("\n"):
if line.startswith("# makefile"): # this line appears before any variable defined in the makefile itself
next_is_makefile = True
elif next_is_makefile:
