From 609b8d4a4a3ca755d549aaa9188d126aa461b1ad Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Tue, 20 Jun 2017 16:36:40 +0200
Subject: [PATCH] fix stderr.write usage

---
 trezorctl           | 3 ++-
 trezorlib/client.py | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/trezorctl b/trezorctl
index d718f9f..b007cb5 100755
--- a/trezorctl
+++ b/trezorctl
@@ -591,7 +591,8 @@ def main():
             print(res)
     except CallException as e:
         status, message = e.args
-        sys.stderr.write(b'failure: {message}\n'.format(message=message))
+        sys.stderr.write('failure:')
+        sys.stderr.write(str(message))
         exit(status)
 
 
diff --git a/trezorlib/client.py b/trezorlib/client.py
index 23709bc..7b25833 100644
--- a/trezorlib/client.py
+++ b/trezorlib/client.py
@@ -90,7 +90,7 @@ def pprint(msg):
         return "<%s> (%d bytes):\n%s" % (msg_class, msg_size, msg)
 
 def log(msg):
-    sys.stderr.write(msg)
+    sys.stderr.write(str(msg))
     sys.stderr.write('\n')
     sys.stderr.flush()