[python-arrow] Add missing dependency

[Zbigniew Jędrzejewski-Szmek]

commit b79ae9a7ff744173f4a0e173f63c20188a8ddfd8
Author: Zbigniew Jędrzejewski-Szmek <zbyszek at in.waw.pl>
Date:   Wed Jan 21 20:54:10 2015 -0500

    Add missing dependency

 python-arrow.spec |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/python-arrow.spec b/python-arrow.spec
index dd8b60f..0bf6842 100644
--- a/python-arrow.spec
+++ b/python-arrow.spec
@@ -16,6 +16,7 @@ Source0:            http://pypi.python.org/packages/source/a/%{modname}/%{modnam
 
 BuildArch:          noarch
 BuildRequires:      python2-devel
+BuildRequires:      python-setuptools
 BuildRequires:      python-chai
 BuildRequires:      python-dateutil
 BuildRequires:      python-six
@@ -24,6 +25,7 @@ Requires:           python-six
 
 %if 0%{?with_python3}
 BuildRequires:      python3-devel
+BuildRequires:      python3-setuptools
 BuildRequires:      python3-chai
 BuildRequires:      python3-dateutil
 BuildRequires:      python3-six