cx-freeze building to RPM

setup.py

import sys
from cx_Freeze import setup, Executable

build_exe_options = {
    "packages": ["PIL", "gi", "gio", "msgpack_pure",
                 "twisted"],
    "excludes": ["tkinter"],
    "optimize": 2,
    }

base = None
if sys.platform == "win32":
    base = "Win32GUI"

setup(  name = "Task_Workshop_Light",
        version = "0.1",
        description = "Task Workshop!",
        author = "Altermind",
        author_email = "contact@altermind.pl",
        license = "Commercial",
        url = "https://taskworkshop.com/",
        long_description = "Task Workshop Linux Client (Light version)",
        options = {"build_exe": build_exe_options},
        executables = [Executable("task_workshop_light.py", base=base)])

traceback

$ python setup.py bdist_rpm
running bdist_rpm
writing 'build/bdist.linux-i686/rpm/SPECS/Task_Workshop_Light.spec'
running sdist
running check
warning: sdist: manifest template 'MANIFEST.in' does not exist (using default file list)

warning: sdist: standard file not found: should have one of README, README.txt

writing manifest file 'MANIFEST'
creating Task_Workshop_Light-0.1
making hard links in Task_Workshop_Light-0.1...
hard linking setup.py -> Task_Workshop_Light-0.1
Creating tar archive
removing 'Task_Workshop_Light-0.1' (and everything under it)
copying dist/Task_Workshop_Light-0.1.tar.gz -> build/bdist.linux-i686/rpm/SOURCES
building RPMs
rpm: build/bdist.linux-i686/rpm/SPECS/Task_Workshop_Light.spec: No such file or directory
error: Failed to execute: "rpm -q --qf '%{name}-%{version}-%{release}.src.rpm %{arch}/%{name}-%{version}-%{release}.%{arch}.rpm\\n' --specfile 'build/bdist.linux-i686/rpm/SPECS/Task_Workshop_Light.spec'"