Use an arched base package with noarch binary RPMs

- Conditionalize fastavro BR, which is not available on 32-bit
- Run tests on all arches to reliably track arch-dependent bugs
- Add necessary arch-dependent skips for failing tests

python-dask.spec

@@ -5,6 +5,10 @@
 # Force bootstrap for package review.
 %bcond_without bootstrap
 
+# We have an arched package to detect arch-dependent issues in dependencies,
+# but all of the installable RPMs are noarch and there is no compiled code.
+%global debug_package %{nil}
+
 Name:           python-%{srcname}
 Version:        2022.5.0
 %global tag     2022.05.0
@@ -37,8 +41,6 @@ Patch:          0001-Skip-test_encoding_gh601-on-big-endian-machines.patch
 # tabs rather than spaces in setup.cfg.
 Patch:          dask-2022.5.0-pr-9113.patch
 
-BuildArch:      noarch
-
 %description
 Dask is a flexible parallel computing library for analytics.
 
@@ -46,6 +48,8 @@ Dask is a flexible parallel computing library for analytics.
 %package -n     python3-%{srcname}
 Summary:        %{summary}
 
+BuildArch:      noarch
+
 BuildRequires:  python3-devel
 BuildRequires:  python3dist(graphviz)
 BuildRequires:  python3dist(ipython)
@@ -54,7 +58,11 @@ BuildRequires:  python3dist(scikit-image)
 BuildRequires:  python3dist(xarray)
 %endif
 # Optional test requirements.
+# Fastavro does not support 32 bit architectures and is ExcludeArch:
+# https://bugzilla.redhat.com/show_bug.cgi?id=1943932
+%ifnarch %{arm32} %{ix86}
 BuildRequires:  python3dist(fastavro)
+%endif
 BuildRequires:  python3dist(h5py)
 BuildRequires:  python3dist(psutil)
 BuildRequires:  python3dist(requests)
@@ -101,6 +109,8 @@ Dask is a flexible parallel computing library for analytics.
 %package -n python-%{srcname}-doc
 Summary:        dask documentation
 
+BuildArch:      noarch
+
 BuildRequires:  python3dist(dask_sphinx_theme) >= 1.3.5
 BuildRequires:  python3dist(numpydoc)
 BuildRequires:  python3dist(sphinx) >= 4
@@ -216,6 +226,8 @@ pytest_args=(
 
   # Ignore https://github.com/numpy/numpy/issues/20225 and Pandas issues
   -W ignore::DeprecationWarning
+
+  -k "${k-}"
 )
 
 %{pytest} "${pytest_args[@]}"