Use %py3_dist macro for build requirements

python-trustme.spec

@@ -35,13 +35,9 @@ BuildArch:      noarch
 %package -n python3-%{pkgname}
 Summary:        %{summary}
 BuildRequires:  python3-devel
-BuildRequires:  python3-setuptools
+BuildRequires:  %{py3_dist setuptools}
 %if %{with tests}
-BuildRequires:  python3-pytest
+BuildRequires:  %{py3_dist pytest pyopenssl service-identity cryptography idna}
-BuildRequires:  python3-pyOpenSSL
-BuildRequires:  python3-service-identity
-BuildRequires:  python3-cryptography
-BuildRequires:  python3-idna
 %endif
 %{?python_provide:%python_provide python3-%{pkgname}}