--- a/targets/toolchain_makefile.py	Tue Aug 15 12:17:51 2017 +0300
+++ b/targets/toolchain_makefile.py	Tue Aug 15 15:50:30 2017 +0300
@@ -69,7 +69,7 @@
 
     def concat_deps(self, bn):
         # read source
-        src = open(os.path.join(self.buildpath, bn),"r").read()
+        src = open(os.path.join(self.buildpath, bn), "r").read()
         # update direct dependencies
         deps = []
         for l in src.splitlines():