utils/uf2conv.py: Fix padding with Python3

See: https://github.com/microsoft/uf2/pull/71 Signed-off-by: Daniel Schaefer <dhs@frame.work>
2023-01-16 22:20:20 +08:00 · 2023-01-16 22:20:20 +08:00 · d832f47867
commit d832f47867
parent eb90fa7be1
1 changed files with 1 additions and 1 deletions
--- a/util/uf2conv.py
+++ b/util/uf2conv.py
@ -73,7 +73,7 @@ def convert_from_uf2(buf):
            assert False, "Non-word padding size at " + ptr
        while padding > 0:
            padding -= 4
-            outp += b"\x00\x00\x00\x00"
+            outp.append(b"\x00\x00\x00\x00")
        if familyid == 0x0 or ((hd[2] & 0x2000) and familyid == hd[7]):
            outp.append(block[32 : 32 + datalen])
        curraddr = newaddr + datalen