!2 Fix building error

From: @sean-lau
Reviewed-by: @xiyuanwang
Signed-off-by: @xiyuanwang

openstack-aodh.spec

@@ -4,11 +4,11 @@
 
 Name:             openstack-%{service}
 Version:          9.0.1
-Release:          1
+Release:          2
 Summary:          OpenStack Telemetry Alarming
 License:          ASL 2.0
 URL:              https://github.com/openstack/%{service}.git
-Source0:          https://tarballs.openstack.org/%{service}/%{service}-%{upstream_version}.tar.gz
+Source0:          https://tarballs.openstack.org/%{service}/%{service}-%{version}.tar.gz
 
 Source1:          %{service}-dist.conf
 Source2:          %{service}.logrotate
@@ -219,7 +219,7 @@ This package contains the %{service} test files.
 
 
 %prep
-%setup -q -n %{service}-%{upstream_version}
+%setup -q -n %{service}-%{version}
 
 find . \( -name .gitignore -o -name .placeholder \) -delete
 
@@ -235,7 +235,7 @@ sed -i '/^\"PO-Revision-Date: \\n\"/d' %{service}/locale/*/LC_MESSAGES/*.po
 
 %build
 # Generate config file
-PYTHONPATH=. oslo-config-generator-3 --config-file=%{service}/cmd/%{service}-config-generator.conf --output-file=%{service}/%{service}.conf
+PYTHONPATH=. oslo-config-generator --config-file=%{service}/cmd/%{service}-config-generator.conf --output-file=%{service}/%{service}.conf
 
 %{py3_build}
 # Generate i18n files
@@ -377,6 +377,9 @@ exit 0
 
 
 %changelog
+* Fri Nov 12 2021 liusheng <liusheng2048@gmail.com> - 9.0.1-2
+- Fix build error
+
 * Fri Nov 05 2021 liusheng <liusheng2048@gmail.com> - 9.0.1-1
 - Add openstack-aodh package of version 9.0.1