update the import

Author: gstarovo

src/ecdsa/test_pyecdsa.py

@@ -39,8 +39,8 @@
     sigdecode_strings,
     sigdecode_string,
     sigdecode_der_full_r,
-    sigdecode_der_ecdsa_sig_value
-)
+    sigdecode_der_extended
+    )
 from .util import number_to_string, encoded_oid_ecPublicKey, MalformedSignature
 from .curves import Curve, UnknownCurveError
 from .curves import (
@@ -501,7 +501,7 @@ def test_sigencode_der_sig_value_with_y_boolean(self):
         sig = priv1.sign(data, sigencode=sigencode_der_sig_value_y_boolean,
                          accelerate=True)
         self.assertEqual(type(sig), binary_type)
-        self.assertTrue(pub1.verify(sig, data, sigdecode=sigdecode_der_ecdsa_sig_value))
+        self.assertTrue(pub1.verify(sig, data, sigdecode=sigdecode_der_extended))
 
     def test_sigencode_der_sig_value_with_y_field_elem(self):
         priv1 = SigningKey.generate()
@@ -510,7 +510,7 @@ def test_sigencode_der_sig_value_with_y_field_elem(self):
         sig = priv1.sign(data, sigencode=sigencode_der_sig_value_y_field_elem,
                          accelerate=True)
         self.assertEqual(type(sig), binary_type)
-        self.assertTrue(pub1.verify(sig, data, sigdecode=sigdecode_der_ecdsa_sig_value))
+        self.assertTrue(pub1.verify(sig, data, sigdecode=sigdecode_der_extended))
 
     def test_sigencode_string_canonize_no_change(self):
         r = 12