gnu: python-m2crypto: python-typing is only needed for python2.

* gnu/packages/python-crypto.scm (python-m2crypto)[propagated-inputs]: Remove.
[properties]: New field.
(python2-m2crypto)[propagated-inputs]: Add PYTHON2-TYPING.

1 files changed, 6 insertions, 2 deletions

diff --git a/gnu/packages/python-crypto.scm b/gnu/packages/python-crypto.scm
index bda547417c..8bee14c695 100644
--- a/gnu/packages/python-crypto.scm
+++ b/gnu/packages/python-crypto.scm
@@ -859,7 +859,6 @@ in userspace)
         (base32 "1h16gpilrnlzc0iyj1mnd1iqh8wchzjsxjqw9n344glimg2s5zm0"))))
     (build-system python-build-system)
     (inputs `(("openssl" ,openssl)))
-    (propagated-inputs `(("python-typing" ,python-typing)))
     (home-page "https://gitlab.com/m2crypto/m2crypto")
     (synopsis "Python crypto and TLS toolkit")
     (description "@code{M2Crypto} is a complete Python wrapper for OpenSSL
@@ -869,10 +868,15 @@ extensions to Python's httplib, urllib, and xmlrpclib; unforgeable HMAC'ing
 AuthCookies for web session management; FTP/TLS client and server; S/MIME;
 M2Crypto can also be used to provide TLS for Twisted.  Smartcards supported
 through the Engine interface.")
+    (properties `((python2-variant . ,(delay python2-m2crypto))))
     (license license:expat)))
 
 (define-public python2-m2crypto
-  (package-with-python2 python-m2crypto))
+  (let ((m2crypto (package-with-python2
+                   (strip-python2-variant python-m2crypto))))
+    (package (inherit m2crypto)
+             (propagated-inputs
+              `(("python2-typing" ,python2-typing))))))
 
 (define-public python-pylibscrypt
   (package