Reformat setup.py according to PEP

setup.py

@@ -1,15 +1,17 @@
 #!/usr/bin/env python3
 
+import glob
+import os
 from setuptools import setup, find_packages
 from setuptools.command.build_py import build_py
-import os
-import glob
+
 
 class CustomBuildExtCommand(build_py):
     """Customized setuptools install command - prints a friendly greeting."""
 
     def buildInkscapeExt(self):
-        os.system("%s %s" % (os.path.join("scripts", "boxes2inkscape"), "inkex"))
+        os.system("%s %s" % (os.path.join("scripts", "boxes2inkscape"),
+                             "inkex"))
 
     def run(self):
         self.execute(self.buildInkscapeExt, ())
@@ -17,10 +19,13 @@ class CustomBuildExtCommand(build_py):
             if self.distribution.data_files is None:
                 self.distribution.data_files = []
             self.distribution.data_files.append(
-                ("/usr/share/inkscape/extensions/", [i for i in glob.glob(os.path.join("inkex", "*.inx"))]))
+                ("/usr/share/inkscape/extensions/",
+                 [i for i in glob.glob(os.path.join("inkex", "*.inx"))]))
         build_py.run(self)
 
-setup(name='boxes',
+
+setup(
+    name='boxes',
     version='0.1',
     description='Boxes generator for laser cutters',
     author='Florian Festi',
@@ -43,5 +48,4 @@ setup(name='boxes',
         "Topic :: Scientific/Engineering",
         "Topic :: Scientific/Engineering :: Computer Aided Design",
     ],
-      keywords=["boxes", "box", "generator", "svg", "laser cutter"],
-)
+    keywords=["boxes", "box", "generator", "svg", "laser cutter"], )