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

barry-scott · barry-scott · commit 6891caf73735 · 2016-06-06T10:45:16.000+01:00
Convert to the expected bytes.
diff --git a/git/cmd.py b/git/cmd.py
@@ -338,7 +338,10 @@ def wait(self, stderr=b''):
 
             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''
 
