Fix whitespace

Author: gonzalocasas

src/compas/_os.py

@@ -66,16 +66,19 @@ def select_python(python_executable):
 def absjoin(*parts):
     return os.path.abspath(os.path.join(*parts))
 
+
 # Cache whatever symlink function works (native or polyfill)
 _os_symlink = None
 
+
 def create_symlink_polyfill():
     def symlink_ms(source, link_name):
         subprocess.check_output(
             ['mklink', '/D', link_name, source], stderr=subprocess.STDOUT, shell=True)
 
     return symlink_ms
 
+
 def create_symlink(source, link_name):
     """Create a symbolic link pointing to source named link_name.
 
@@ -108,6 +111,7 @@ def create_symlink(source, link_name):
         _os_symlink = create_symlink_polyfill()
         _os_symlink(source, link_name)
 
+
 def remove_symlink(link):
     if os.path.isdir(link):
         try: