- Add patch to work with python 3.8:

* python38.patch
- Restrict pytest to < 3.0 as the testing code does not work
  upstream on anything else

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-pygal?expand=0&rev=9

python-pygal.spec

@@ -26,6 +26,7 @@ Group:          Development/Languages/Python
 URL:            http://pygal.org/
 Source:         https://files.pythonhosted.org/packages/source/p/pygal/pygal-%{version}.tar.gz
 Source10:       https://raw.githubusercontent.com/Kozea/pygal/%{version}/COPYING
+Patch0:         python38.patch
 BuildRequires:  %{python_module Flask}
 BuildRequires:  %{python_module lxml}
 BuildRequires:  %{python_module pyquery}
@@ -42,7 +43,8 @@ Recommends:     python-CairoSVG
 %endif
 # SECTION test requirements
 BuildRequires:  %{python_module pytest-runner}
-BuildRequires:  %{python_module pytest}
+# https://github.com/Kozea/pygal/pull/340
+BuildRequires:  %{python_module pytest < 4.0}
 # /SECTION
 %python_subpackages
 
@@ -52,6 +54,7 @@ It supports various chart types and CSS styling.
 
 %prep
 %setup -q -n pygal-%{version}
+%patch0 -p1
 cp %{SOURCE10} .
 
 %build