Set _have_ecpy=False if pycryptodome isn't found.

diff --git a/dns/dnssec.py b/dns/dnssec.py
index a6686692aae840aae572c38319f58e6fd9ad95b6..69c266d9b992e655fc69a895d9b36f33efa11fe0 100644 (file)
--- a/dns/dnssec.py
+++ b/dns/dnssec.py
@@ -538,6 +538,7 @@ except ImportError:
     validate = _need_pycrypto
     validate_rrsig = _need_pycrypto
     _have_pycrypto = False
+    _have_ecpy = False
 else:
     validate = _validate
     validate_rrsig = _validate_rrsig