Issue #25287: Don't add crypt.METHOD_CRYPT to crypt.methods if it's not
supported. Check if it is supported, it may not be supported on OpenBSD for
example.
diff --git a/Lib/crypt.py b/Lib/crypt.py
index 49ab96e..fbc5f4c 100644
--- a/Lib/crypt.py
+++ b/Lib/crypt.py
@@ -54,9 +54,8 @@
METHOD_SHA512 = _Method('SHA512', '6', 16, 106)
methods = []
-for _method in (METHOD_SHA512, METHOD_SHA256, METHOD_MD5):
+for _method in (METHOD_SHA512, METHOD_SHA256, METHOD_MD5, METHOD_CRYPT):
_result = crypt('', _method)
if _result and len(_result) == _method.total_size:
methods.append(_method)
-methods.append(METHOD_CRYPT)
del _result, _method