Merge pull request #822 from stepshal/blank

Fix quantity of blank lines.

setuptools/command/build_py.py

@@ -14,8 +14,8 @@ from setuptools.extern.six.moves import map, filter, filterfalse
 try:
     from setuptools.lib2to3_ex import Mixin2to3
 except ImportError:
-    class Mixin2to3:
 
+    class Mixin2to3:
         def run_2to3(self, files, doctests=True):
             "do nothing"
 

setuptools/msvc.py

@@ -761,6 +761,7 @@ class EnvironmentInfo:
     vc_min_ver: float
         Minimum Microsoft Visual C++ version.
     """
+
     # Variables and properties in this class use originals CamelCase variables
     # names from Microsoft source files for more easy comparaison.
 

setuptools/sandbox.py

@@ -290,6 +290,7 @@ class AbstractSandbox:
             if self._active:
                 src, dst = self._remap_pair(name, src, dst, *args, **kw)
             return original(src, dst, *args, **kw)
+
         return wrap
 
     for name in ["rename", "link", "symlink"]: