get version hash as string

scrutiny/projects/models.py

@@ -134,7 +134,7 @@ class Module(models.Model):
         p = subprocess.Popen(cmd, **kws)
         stdout = p.communicate()[0]
         p.wait()
-        return stdout[:7]
+        return stdout[:7].decode('ascii')
 
     def get_diff_log(self, v1, v2, format='oneline', grep=None):
         kws = {}