Break up excessively long line in python_wheel build def (#135)

There must have been a newline here that went astray at some point...

Author: chrisnovakovic

build_defs/python.build_defs

@@ -558,7 +558,8 @@ def python_wheel(name:str, version:str, labels:list=[], hashes:list=None, packag
                                                                                     initial=initial,
                                                                                     version=version),
                  '{url_base}/{package_name}-{version}-${{OS}}_${{ARCH}}.whl'.format(url_base=url_base,
-                                                                                    package_name=package_name,                                                                                   initial=initial,
+                                                                                    package_name=package_name,
+                                                                                    initial=initial,
                                                                                     version=version),
                  '{url_base}/{package_name}-{version}.whl'.format(url_base=url_base,
                                                                   package_name=package_name,