[python-cryptography] Fix pytest requires

[Nathaniel McCallum]

commit ac370de185b7c819647fe5d440432912ef16dc2a
Author: Nathaniel McCallum <npmccallum at redhat.com>
Date:   Wed Mar 4 13:31:25 2015 -0500

    Fix pytest requires

 python-cryptography.spec | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/python-cryptography.spec b/python-cryptography.spec
index e9c9a15..e0719d8 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -18,7 +18,6 @@ Patch0:         python-cryptography-0.7.2-testspath.patch
 
 BuildRequires:  openssl-devel
 BuildRequires:  python-enum34
-BuildRequires:  pytest
 
 BuildRequires:  python2-devel
 BuildRequires:  python-setuptools
@@ -28,6 +27,7 @@ BuildRequires:  python-cryptography-vectors = %{version}
 BuildRequires:  python-pyasn1
 BuildRequires:  python-iso8601
 BuildRequires:  python-pretend
+BuildRequires:  pytest
 
 %if 0%{?with_python3}
 BuildRequires:  python3-devel
@@ -38,6 +38,7 @@ BuildRequires:  python3-cryptography-vectors = %{version}
 BuildRequires:  python3-pyasn1
 BuildRequires:  python3-iso8601
 BuildRequires:  python3-pretend
+BuildRequires:  python3-pytest
 %endif
 
 Requires:       openssl