buildhistory_analysis: Convert stream data (bytes) to strings

The bytes type variables are threat different as strings variables in python3,
so convert bytes to strings. This was found when using the
script buildhistory-diff, where the interpreter was yielding this error

    TypeError: Type str doesn't support the buffer API

Signed-off-by: Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/lib/oe/buildhistory_analysis.py b/meta/lib/oe/buildhistory_analysis.py
index 0dcd49f4f17e28b567365f7e3bece5cde02639f2..16491a96e1ed6901e4f55bac0fa159d9b0443dfc 100644 (file)
--- a/meta/lib/oe/buildhistory_analysis.py
+++ b/meta/lib/oe/buildhistory_analysis.py
@@ -190,7 +190,7 @@ class FileChange:
 
 
 def blob_to_dict(blob):
-    alines = blob.data_stream.read().splitlines()
+    alines = [line.decode() for line in blob.data_stream.read().splitlines()]
     adict = {}
     for line in alines:
         splitv = [i.strip() for i in line.split('=',1)]