Fix py35 issue.

c0fec0de · Sep 4, 2016 · de255fa · de255fa
1 parent 4612389
commit de255fa
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/anytree/dotexport.py b/anytree/dotexport.py
@@ -43,9 +43,9 @@ def to_picture(self, filename):
         *`graphviz` needs to be installed, before usage of this method.*
         """
         fileformat = path.splitext(filename)[1][1:]
-        with NamedTemporaryFile("w") as dotfile:
+        with NamedTemporaryFile("wb") as dotfile:
             for line in self:
-                dotfile.write("%s\n".encode("utf-8") % line)
+                dotfile.write(("%s\n" % line).encode("utf-8"))
             dotfile.flush()
             cmd = ["dot", dotfile.name, "-T", fileformat, "-o", filename]
             check_call(cmd)