Fix faulty comparison in assertion (should be the other way around).

Author: TobiasKappe

jose/utils.py

@@ -30,7 +30,7 @@ def long_to_bytes(n, blocksize=0):
             if blocksize == 0:
                 return ret
             else:
-                assert len(ret) >= blocksize
+                assert len(ret) <= blocksize
                 padding = blocksize - len(ret)
                 return b'\x00' * padding + ret