Can get a str object from stream.read rather then bytes.

Convert to the expected bytes.

1 files changed, 4 insertions, 1 deletions

diff --git a/git/cmd.py b/git/cmd.py
index f992a399..633aedcb 100644
--- a/git/cmd.py
+++ b/git/cmd.py
@@ -338,7 +338,10 @@ class Git(LazyMixin):
 
             def read_all_from_possibly_closed_stream(stream):
                 try:
-                    return stderr + stream.read()
+                    last_stderr = stream.read()
+                    if type(last_stderr) == unicode:
+                        last_stderr = last_stderr.encode(defenc)
+                    return stderr + last_stderr
                 except ValueError:
                     return stderr or b''