!2 Downgrade package python-nbclient to v0.7.4

From: @mengzhaoa 
Reviewed-by: @desert-sailor 
Signed-off-by: @desert-sailor

nbclient.spec

@@ -1,11 +1,11 @@
 %define debug_package %{nil}
 
 Name:		nbclient
-Version:	0.8.0
+Version:	0.7.4
 Release:	1
 Summary:	NBClient lets you execute notebooks.
 License:	BSD
-URL:		https://pypi.org/project/nbclient/
+URL:		https://github.com/jupyter/nbclient
 Source0:	%{url}/archive/%{version}/nbclient-%{version}.tar.gz
 
 
@@ -17,7 +17,12 @@ including the command line.
 
 %package -n     python3-nbclient
 Summary:        NBClient lets you execute notebooks.
-BuildRequires:  python3-devel python3-setuptools python3-setuptools_scm python3-pip python3-wheel python3-hatchling
+BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools
+BuildRequires:  python3-setuptools_scm
+BuildRequires:  python3-pip
+BuildRequires:  python3-wheel
+BuildRequires:  python3-hatchling
 
 
 %{?python_provide:%python_provide python3-%{name}}
@@ -36,8 +41,6 @@ including the command line.
 %install
 %pyproject_install
 
-
-
 %files -n       python3-nbclient
 %doc README.md
 %license LICENSE
@@ -46,5 +49,8 @@ including the command line.
 %{_bindir}/jupyter-execute
 
 %changelog
+* Fri Aug 4 2023 mengzhaoa <mengzhaoa@isoftstone.com> - 0.7.4-1
+- Downgrade package python-nbclient to version 0.7.4
+
 * Fri Jul 28 2023 xlhans <xlhans@isoftstone.com> - 0.8.0-1
 - Package init