w.7 expects byte or bytearray

Author: gstarovo

src/ecdsa/ecdsa.py

@@ -195,7 +195,8 @@ def verifies(self, hash, signature):
         if s < 1 or s > n - 1:
             return False
         if not isinstance(r, int):
-            point = ellipticcurve.AbstractPoint.from_bytes(self.generator.curve(), r)
+            point = ellipticcurve.AbstractPoint.from_bytes(
+                self.generator.curve(), bytearray(r))
             r = point[0] % n
         if r < 1 or r > n - 1:
             return False