diff --git a/python-pytest-arraydiff.spec b/python-pytest-arraydiff.spec
index a6874f4..101495b 100644
--- a/python-pytest-arraydiff.spec
+++ b/python-pytest-arraydiff.spec
@@ -41,7 +41,6 @@ Requires:       python-pytest
 Requires:       python-six
 BuildArch:      noarch
 %if %{with test}
-BuildRequires:  %{python_module astropy}
 BuildRequires:  %{python_module numpy}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module six}
@@ -78,7 +77,8 @@ At the moment, the supported file formats for the reference files are:
 
 %if %{with test}
 %check
-%python_expand PYTHONPATH=%{buildroot}%{$python_sitelib} py.test-%{$python_bin_suffix} -v
+# generate, default_format, test_fails, test_succeeds_func_fits_hdu tests need astropy that is python3 only, so skip
+%pytest -k 'not (test_generate or test_default_format or test_fails or test_succeeds_func_fits_hdu)'
 %endif
 
 %if !%{with test}