!3 python-bitmath delete -S git from %autosetup

From: @chenyanpanHW
Reviewed-by: @shinwell_hu
Signed-off-by: @shinwell_hu

python-bitmath.spec

@@ -1,7 +1,7 @@
 %global _empty_manifest_terminate_build 0
 Name:           python-bitmath
 Version:        1.3.3.1
-Release:        1
+Release:        2
 Summary:        Pythonic module for representing and manipulating file sizes with different prefix notations (file size unit conversion)
 License:        MIT
 URL:            https://github.com/tbielawa/bitmath
@@ -29,7 +29,7 @@ Provides:       python3-bitmath-doc
 simplifies many facets of interacting with file sizes in various units.
 
 %prep
-%autosetup -n bitmath-%{version} -S git
+%autosetup -n bitmath-%{version} -p1
 
 %build
 %py3_build
@@ -71,5 +71,8 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 1.3.3.1-2
+- DESC: delete -S git from %autosetup
+
 * Thu Jul 15 2021 OpenStack_SIG <openstack@openeuler.org> - 1.3.3.1-1
 - Package Spec generate